Convert long to date kotlin. Fortunately they are all long outdated.

Convert long to date kotlin test. Thank you for the feedback. Share. below my viewholder class class TopHeadlinesAdapter(val context: Context) : RecyclerView. //string to date convert long millisSinceEpoch = Instant. Long. SSS (Yes, DateTime isn’t a perfect name for such a class. kotlin. dd HH:mm", Locale. Date for this purpose. How to convert date string to timestamp in Kotlin? – kelvin. g. Note that the conversion is not always well-defined. of(1, 2, 3) This creates a Period of 1 year, Sometimes, we need to work with the old API java. It can be done using Database migration without doing whole database again. The java. The range of supported years is platform-dependent, but at least is enough to represent dates of all instants between Instant. – Indrajeet Meena. format(date) } This would work in Kotlin, you can change the format in SimpleDataFormat according to how you want. ofEpochMilli(long epochMilli). toBinaryString(): Int. You start with an Instant, convert to a ZonedDateTime, then convert back to an Instant. import kotlinx. toInstant) is Samples. Alternatively, the TimeUnit class can do that conversion for you as pointed out in the comments by @Arvind Kumar Avinash like the following: TimeUnit. kotlin; Share. 64. When I run the application, I get invalid data, sunrise: 23:30 and sunset: 14:42. because long to int is shrink. LocalDate allows us to create a local instance of a date based on the year, month and day, without a timezone. How can I convert a Long value to date time and convert current time to Long Returns a civil datetime value that this instant has in the specified timeZone. parse(strTime)) val instant: Instant = ldt. mybeans; data class Foo(val name : String?); And I have a method in the global space like so: package myapp. The Date class denotes a specific instant in time with millisecond precision. getMillis(); System. If anyone could help specifically with string to long that would be great. The classes you are already importing. java . atZone(zoneId). Commented May 30, 2020 at 3:18. text how can I do this with kotlin or java for android ? It’s longer, but avoiding hand-typing the format pattern string is worthwhile, and this also better lends itself to internationalization. (instant) will give java. 114Z" // parse it to a ZonedDateTime and adjust the zone to the system default val localZonedDateTime = Using the Duration type from kotlin. If we shift the individual bytes of the integer to the least-significant byte, the value will always be positive. There are probably millions of lines of code using the legacy class java. atZone(ZoneId. We then use the time zone identifier represented by ZoneId to obtain an Instant:. Android date format parse throwing an Unhandled Exception. Epoch time is My input is unix seconds from epoch, which represents the date, that I need to work with, I need to convert the date to start time of a day and end time of a day of the same date, what are possible options to do so in Kotlin? kotlin; date; unix; timestamp; unix-timestamp; Share. e 2015-06-02 8:30:00. I looked through many of the exa Can anybody let me know about the convert that instant to date with a specific date & time format? i. How to separe "Start-Date" from that date? val tStamp: Timestamp = Timestamp(metaList. class); long milli = date. Convert any ISO-8601 format to a The code below works well I am trying to figure how to calculate total number of days once the dates have been selected. Adapter() I have this date string : 2016-04-26T09:14:10. 2 : I want it show " time ago " when load it from server. So we’re going to begin by unpacking the nuances of LocalDate, My server. 300 Here's my code long test_timestamp = 1_499_07 How to convert DateTime to Date in Kotlin. Thus we can get the milliseconds from epoch of any particular date using . 01. How to parse correctly a Date in Kotlin? 3. You can extract these format instances into variables and reuse them for each string in your list. e. Convert long to Date String with the format: fun Long. In result you get 1466769937914000 which converted equals to 48450-02-01 I'm using @TypeConverter in Room to convert string to Date (datetime). lang. So, let’s see it in action: First: I found a lot of solutions but none of them is working for my issue. parse(2024-12-29 05:33:09). ENGLISH) calendar. 000Z" string to a Date in java android studio. toEpochMilli() ; You will find that the milliseconds and millisecondsSinceEpoch long integers are the same number. We pass in an ISO 8601 timestamp as well as a format (dd. It return time : "2016-01-24T16:00:00. foodId}, {foodDetails [FoodMaster. As the name indicates, it comes with a host of methods that we can use to manipulate dates. Deprecated in Java And my code: val date:Date = val hour = date. time) and returns the 'milliseconds from Epoch' of that particular date. this is my model @Entity(tableName = "order_table Kotlin comes with longArrayOf(1, 2, 3) which will create an array for you which contains Longs. I warmly recommend java. ). Literally speaking the epoch is Unix time 0 (midnight 1/1/1970), but 'epoch' is often used as a synonym for Unix You can't just use as Long here. Note that while this conversion is unambiguous, the inverse (LocalDateTime. Convert String Date to Date in Android (Java/Kotlin) without having to deal with Call requires API level 26. for your date and time work: long millisecondsSinceEpoch = 1_567_890_123_456L; ZonedDateTime dateTime = Instant. I can convert it to 24 hour format successfully. It offers the easiest way to convert a long value to a date as it provides an overloaded constructor that accepts a parameter of long type. SimpleDateFormat fun main() { val firstDate = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss. How can I convert this into milliseconds (long)? The java. toHexString(long i) is unsigned, you will never see a negative sign prefix. Basics of Date and Time. Here’s how you can parse a date string: If you have the milliseconds since the Epoch and want to convert them to a local date using the current local timezone, you can use Instant. kt You can combine the date and time strings to create a date-time string in ISO 8601 format which you can parse into LocalDateTime and then convert into Instant by using the applicable ZoneId. 000Z" I want 1 : convert to String. SimpleDateFormat import java. text. encodeToString but I get the wrong answer. In generally , all of my code is written in Kotlin. format("yyyy I have a date String with following format: MM/DD/2019 Possible values could be 1/16/2019 or 11/31/2019 for example. DISTANT_PAST and Instant. In this example, we're formatting the current date and time into a string that follows the pattern "dd-MM-yyyy HH:mm:ss", which includes date, hours, minutes, and seconds. global; How to select the Start-Date(string) and to convert to timestamp in kotlin? I tried something for the first element but I have a string and it expected a long. The Joda-Time project, now in maintenance mode, advises migration to the java. Kotlin - how to parse a string that is either in a LocalDateTime or LocalDate format into LocalDate. You can specify the DateTimeKind when you create a new DateTime object, so you could specify that as UTC and then use . util date/time API to the modern date/time API. ENGLISH) return format. João Dias. 6, you can use kotlin. I've successfully converted Date format to Long using type converter but my current use case I neeed string to long. I have to convert particular Timestamp value to Time. toString(format: String, locale: Locale = Locale. We also saw how to parse Strings with the java. milliseconds. val l: Long l. time APIs, although #Convert String to Long value; #Convert String to Long type in Kotlin; #Conclusion; This tutorial covers various methods for converting strings to/from long values in Kotlin. Specification is JSR 310. toString() return date I get a string of type 01092020, how could I convert to date type in 01/09 format, just month and year? date; kotlin; Share. edit: the main reason for this answer is that Date is deprecated, so here you go @TypeConverter public static Calendar toCalendar(Long l) { Calendar c = Calendar. However, using the java. Note that, whatever platform you're targeting, it doesn't really make sense to convert a millisecond epoch to a formatted date without defining the timezone. How to convert my string date to this format Monday 08 2020 in Kotlin? I had this same problem (how to store time to Room), but I was using Calendar, so I made this: [note: This anwer is for Calendar; the main reason is that Calendar is now supported]. Long. However, there are limitations to this conversion. ofEpochMilli. “Adding a SimpleDateFormat to UTC Date in Kotlin” is published by Florence Njeri. Commented Mar 10, How to Convert LocalDate to Long in Kotlin / Java. to Kotlin Date Period. toJavaLocalDateTime() and java. How to convert date string to timestamp in Kotlin? 26. Date, both representing a moment in UTC though Instant uses a finer resolution of nanoseconds instead of milliseconds. 14-02-2018 Can someone help? I have a long timestamp 1499070300 (equivalent to Mon, 03 Jul 2017 16:25:00 +0800) but when I convert it to LocalDateTime I get 1970-01-18T16:24:30. out. time or . toInt() Here, we are converting a Long value to an Int value using the toInt function. 477Z which is in UTC timezone. MILLISECONDS. However, if you face any issue, I Those classes are poorly designed and long outdated, the former in particular notoriously troublesome. setDateFormat("yyyy-MM-dd'T'HH:mm:ss") . inWholeMinutes This . toLong()) val formatter = SimpleDateFormat("HH:mm:ss", Locale. Let’s see now how to convert Strings into Date I'm getting date data from weather API in two versions. JULY, 31); LocalDate date = calendar. We have looked into how to create date instances using LocalDate allows us to create a local instance of a date based on the year, month and day, without a timezone. A string is a group of characters enclosed in double or single quotes. MILLISECONDS). FixedOffsetTimeZone value to a java. By convention, predefined formats for each applicable class can be found in the Formats object of the class, and custom formats can be created using the Format function in the To format and parse dates, you'll make use of classes like LocalDate, LocalDateTime, and ZonedDateTime. It’s quite basic. The input you are receiving may be a date plus time plus zone / offest (first example) or a date only (second example, even the locale matters here due to month names). * This method can be called using the index operator. convert(milliTime, TimeUnit. You only have to make sure the older date is the first argument, otherwise you will get a negative result. getHours() // return 12 new Date(1507457400000). " + fromDate + " epoch of date " + epochTime); Date is. toInstant() does not make sense. I have a textView that in my activity layout: <TextView android:id="@+id/dateTv" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginTop="8dp" app:layout_constraintStart_toStartOf="parent" Convert it to milliseconds and then use Date class to get what you want. Kotlin for Android Monetization with Play ↗️ Extend by device; Build apps that give your users seamless experiences from phones to tablets, watches, headsets, and more. Kotlin extensions for Long and ByteArray types: fun Long. format(timestamp * 1000) How to convert TimeStamp to DateTime in Kotlinn - Kotlin is a statistically typed language and it is based on Java, hence all the Java code can easily be compiled within Kotlin code. LocalDate date = Instant. var strDate = "2021-11-25" var strTime = "15:20" val ldt = LocalDateTime. @kelvin No, this is not the right ans – I tried this and still having the year problem, not need full code, the year month and day are correct, i storing in my db and they are fine, i check in debug and they are fine, when i use val a = Timestamp(Date(year, month, day). I'm going to accept the answer that demonstrated how to do this without ByteBuffer. And search Stack Overflow for many You could convert the milliseconds to a date object and then extract date in the format of a time string and another string of just the date. Example - using toLong()toLong() is a function that provides the most convenient way to convert a string to There is no pure Kotlin support for dates at the moment, only durations. Like Number. fun <T: Number> About java. Convert timestamp to date or date to timestamp easily ("YYYY-MM-dd HH:mm:ss") long ts = dateFormat. This process is crucial in applications that deal with date and time data, like logging systems, data analysis tools, or web applications with time-based features. Will also have to figure out how to use this solution with the library now. now(). Kotlin: How to format a list of LocalDateTime to String? 3. First, make sure you import the necessary packages: In this article, we’ll explore how to work with date and time in Kotlin, from basic operations to more advanced techniques. Edit: Fixing examples per comments, also demonstrating changing byte order. Kotlin - Unparseable date. from method that takes an OffsetDateTime directly as far as I see in my IDE and in the docs. toLocalDate(); System. Get current epoch or Unix timestamp in Kotlin I need to convert a value of type Long to Base64 encoding. set(2021, Calendar. The standard solution to convert a string to a long with the toLong() function. There are multiple ways to do it. Periods represent a distance on the timeline. The code displays have to convert from String to Date, and from Date to String. format("dd-MM-yyyy",calendar). UTC; define a notice that I put the time in setTimeInMillis as long and not as int, notice my date format has MM and not mm for Kotlin users: fun getDate(timestamp: Long) :String { val calendar = Calendar. UTC) val date = Change your datetime format to "dd/MM/yyyy hh:mm a" and provide a string date with additional AM/PM information, e. In your case, using your example you could use something like the following: String time = "02:30"; //mm:ss String[] units = time. Android XR Wear OS Android for Cars Android TV ChromeOS How to convert Calendar to Date in Kotlin? Ask Question Asked 5 years, 8 months ago. getInstance(Locale. Link copied to clipboard. You'd create a Date from the long - that's easy:. get the day of the week from Unix timestamp:-fun getDayOfWeek(timestamp: Long): String { return SimpleDateFormat("EEEE", Locale. But it's not method of Any. How to Convert LocalDate to Long in Kotlin / Java. No instant has this datetime value in the timeZone In Java, handling dates and times is a common task, often requiring conversions between different types. The postgresql Timestamp with Time Zone data type needs to be supplied an OffsetDateTime when being called using a High level language like Kotlin. Because it would always fail unless you pass Long parameter. Date. Then you'd create a SimpleDateFormat specifying the relevant pattern, culture and time zone. time, the modern Java date and time API. elementAt(1)) list; kotlin; collections; Share. parse(strDate), LocalTime. Using this function, we can convert a Long value to an Int value: val longValue = 100L val intValue = longValue. Thanks! i was seeking for Kotlin solution I am develop in Android The day of String is 2020-04-23T23:59:59-04:00 And try to use the following function to convert the time to 2020-04-23 fun changeDateFormat(strDate:String):String { r Skip to main content As an aside consider throwing away the long outmoded and notoriously troublesome SimpleDateFormat and Failed to find the similar topic in StackOverflow, the question is similar to How to convert byte size into human readable format in java?. This will convert the example String to the system default time zone:. ZoneId fun main() { // example String val orderCreationDate = "2020-09-01T13:16:33. I want to convert a date string to unix timestamp from a date string e. toZonedDateTime(). The java. Convert Date String to Date object in Kotlin? How to calculate number of days In addition to converting Strings to Longs, it’s possible to perform conversions in the opposite direction. toLocalDate(); What is the best way to convert this string to time and compare it to current time in Android? The string looks like this 2021-07-10T12:37:52. time framework is built into Java 8 and later. toString(radix: Int) is signed, which means it will return a string with a negative sign for negative values (or values over 2^63 - 1 if we think in terms of unsigned numbers). my minimum SDK is 21 so the code below doesn't work To convert back, use the companion object function Instant. The first one is just string like this: 2019-08-07 09:00:00 and like this: 1565209665. Date dateObj = new Date(milli); But problem is that my milliseconds value is having GMT value added in it before i pass it to Date class, add when i print this date object i can see that date object is again adding GMT value in the milliseconds value and because of that my date is displayed as Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company You have java. ofInstant(Instant. – I have a date of string type "2020-08-10". The following steps should do: parse the input String to a LocalDateTime, which is specifically suitable for this step, because it stores only date and time of day, explicitly no offset or zone; append the desired ZoneOffset, here simply ZoneOffset. The problem I'm trying to solve: Select vacation start date - date selector - this part works well Select vacation end date - date selector - this part works well Total days =Calculate End date - Start date - I don't know how to Rather than having to redo my whole database to store Date instead of string then convert from Date to long. toString(2) works well for positive integers, but it does not print leading zeros, and preserves the sign ((-1). Although, in fact, we have sunrise at 5:30, sunset at 20:42. Fortunately they are all long outdated. 0. my suggestion is the following code( you can change the formate): Kotlin convert TimeStamp to DateTime. How do I change it to just the name of the day or day import java. I found the pattern yyyy-MM-dd'T'HH:mm:ssZ to be ISO8601-compliant if used with a Locale (compare sample). DateFormat(); df. The Joda-Time project, now in You can use the java. milliseconds: longMillis. For example: SimpleDateFormat format = new An equivalent method if you don't have access to Integer. 2018 09:55" as String => Textview. now(), ZoneOffset. 10 23:11, how can I do with Kotlin? I hope to convert current time to a l I'm trying to find out how I can convert DateTime to 10 digit timestamp in Kotlin (Android Studio), I can't find any equivalent of it in Kotlin. ofEpochMilli(longValue). js. However I am seeing it is changing the value by a small fraction. outdated API (might be necessary when it comes to large amounts of legacy code, which I doubt you will find written in Kotlin): import java. Hot Network Questions What was different, spending-wise, between the first version of the budget deal and the second one proposed by Trump? Will a 10-speed Tiagra shifter work with 9-speed sora drivetrain Best Practices for Managing Open-Source Vulnerabilities in Enterprise Deployments Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company About java. I am trying to convert an ISO 8601 formatted String to a java. toInstant() I'm working with a String of date such as: val date = "2021-01-24" how can I convert that string in order to get "Sunday" (user local english) or "Domingo" (user local I am getting date value from database like "2013-02-27 06:06:30" using StringTokenizer I will get time separately like below String startTime = "2013-02-27 06:06:30"; StringTokenizer token = new I try to get hour from Date data type in Kotlin but get this error: 'getter for hours: Int' is deprecated. fromEpochMilliseconds(Long). It is also posible with the new DataType java. time depending on what you have to pass. time } Using We need to convert the Date into a ZonedDateTime, with a Time and a Zone, to do the conversion: this works better for my use cases when I no longer have the timezone info at the time of conversion. This is a solution for Kotlin developers. Kotlin convert TimeStamp to 'timestamp': DateTime. toString()) It’s even possible to We create an instance of LocalDateTime using the date and time strings. Conversion from type double to type long requires a nontrivial translation from a 64-bit floating-point value to the 64-bit integer representation. Using toLong() function. On the JVM, there are LocalDateTime. The TimeZone type provides the rules to In this article, we will see how we can generate the current local date and time in Kotlin. i am tring to convert string in format of dd/mm/Y to date but when i convert, no matter what date i choose, it returns day as 27, month and year are correctly returned. As always, the complete code for this article is available A format for parsing and formatting datetime-related values. Instead use an appropriate class from java. They were poorly designed. One of the most useful classes in this API is LocalDateTime, for holding a timezone-independent date-with-time value. split(":"); //will break the string up into an array int minutes = Integer. – yole. Fully adressing all the aspects of your post: You can utilize a java. 12. val submissionDate: OffsetDateTime = OffsetDateTime. ToLocalTime to convert it to local time: long dateNumber = 1297380023295; long beginTicks = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind. 66% off Learn to code solving problems and writing code with our hands-on coding course. As Kotlin is interoperable with Java, we will be using Java utility class an The problem here is that the Date constructor take long as the milliseconds count since 1/1/1970 and the number you are getting is the seconds count. – Learn how to convert timestamp to date in Python, PHP, JavaScript, Bash, Timestamp To Date Converter. currentTimeMillis(). 288Z" android; date; time; iso; Share. time package, you can first convert the number of milliseconds to a Duration and then use its toComponents method to split If your duration is in Int then follow the same or change Int to Long. MICROSECONDS) Gson gson = new GsonBuilder() . My code below returns the date 14 days later and incorrect time. You might also encounter scenarios where you need to convert a date string back into a LocalDate or LocalDateTime object for processing. I wrote date type in my model and I want to add database date type. Parsing Dates. yyyy), and it should return the formatted date. new Date(1507457400000) // return Sun Oct 08 2017 12:10:00 GMT+0200 new Date(1507457400000). In this article, we will see how we can generate the current local date and time in Kotlin. Use LocalDateTime, ZoneId, ZonedDateTime and DateTimeFormatter, all from java. util. I could not find a direct method that supports Epoch to OffsetDateTime conversion. Thank you so much. g "2018-12-14T09:55:00" to "14. You will have to take care of a multitude of possible formats. var period = Period. How to convert Long to Int in Kotlin? 28. fun Date. It throws a NumberFormatException if the string does not contain a valid long. In Java (or Kotlin) I need to convert date and time from yyyy-mm-dd and hh:mm:ss format to I want to use currentTimeMillis twice so I can calculate a duration but I also want to display Time and Date in user readable format. Room type converter: Converting a String date to Long. getInstance(); If I understood your question correctly, you want to read dates (as string) and output them to another format (as string). Converting instant and local datetime to and from the ISO 8601 string Instant , LocalDateTime , LocalDate and LocalTime provide shortcuts for parsing and formatting them using the extended ISO 8601 format. Modified 5 years, 8 months ago. convertMilliSecondsToDate(): String { val date = Date(this) val format = SimpleDateFormat("yyyy. println("Converted to LocalDate: " + Kotlin convert string to date and take one day before. inWholeMinutes or using the extension property Long. As such, when interfacing old and new code there will be a need for converting between the two. create(); RestAdapter restAdapter = new RestAdapter. time, takes a Date object (which here was passed by the first . The problem is that not all java types can be converted directly into a kotlin one especially not with the old DataType java. Commented Your timestamp 1466769937914 equals to 2016-06-24 12:05:37 UTC. * import kotlinx. A long is a numeric value that can represent a whole number. The method is also optimized for powers of two, using shift operators instead of division, so performance might be . Libraries. We could name it Iso8601TimestampFormatter or similarly, but I chose to name it differently for brevity. datetime. Commented Apr 19, 2018 at 20:05. between(LocalDate, LocalDate) in order to calculate the difference between two LocalDates. parseInt(units[0]); //first element int seconds = Integer. I have to convert it first to 2010-01 As already mentioned, you can simply cast long to double. now() But it gives me some complicated field: kotlin; google-cloud-firestore; Share. toDuration(DurationUnit. Instant class is a directly replacement for java. format(date) } In this article, we have learned the basics of how to work with Dates in Kotlin. GregorianCalendar calendar = new GregorianCalendar(); // Fill year, month, dayOfMonth into the following line calendar. 1. Commented Feb 8, 2021 at 6:13. All three objects represent the I want convert string datetime to formatted string. Thanks mate ! How to convert String to Long in Kotlin - In this article, we will see how to convert a String to Long in Kotlin using a library function. To get the current date using the java. ENGLISH). Commented May 29, 2017 at 4:40. getInstance(). I'm having trouble as currentTimeMillis is good for the calculation but I can't see a built in function to convert to nice time or time/date. toInstant(). I am trying to convert Long value to Float in Kotlin. How can I convert a Long value to date time and convert current time to Long kotlin? Related. I use. println(simpleDateFormat. However, passing in an Instant to Date. LocalDateTime. DateFormat df = new android. of(LocalDate. Or for that matter, just new Date() which has the same effect, capturing the This article explores different ways to convert a string to a long in Kotlin. getTime() * 1000; SimpleDateFormat simpleDateFormat = new SimpleDateFormat("HH:mm:ss"); System. systemDefault()); LocalDate I have a bunch of beans that have nullable properties like so: package myapp. 000-04:00 I am having following code to convert milliseconds to Android Date object. fun Instant. How to convert a date in this format (Tue Jul 13 00:00:00 CEST 2010) to a Java Date (The string comes from an alfresco In this program, you'll learn to convert string to date in Kotlin using formatter. now() I tried doing this in kotlin: "timestamp" to LocalDateTime. long millisecondsSinceEpoch = zdt. You can then use this formatter when parsing your strings into LocalDate instances. So you will have to get rid of Any type specification. parseInt(units[1]); //second element int duration = 60 * minutes + seconds; //add up our values tl;dr. How to cast String into Int and Long? 2. toEpochMilli() ; Ever better, just stop using System. time classes. util package contains the Date class, which was used widely before the introduction of the java. One such conversion is turning a long value, typically representing a timestamp, into a LocalDateTime. One way would be to use generics, limited to some interface/class that has toLong() defined. I tried converting to a byte[] and then passing that to Base64. We can create a Period using Period‘s class factory method:. println("Date is. Date fun convertLongToTime (time: Long): String { val date = Date(time) val format = SimpleDateFormat("dd/M/yyyy hh:mm:ss") return format. * import kotlin. Improve this question. time, that means you can have the desired result with just a few lines of code. Help me! My utils method for get current date time using Calendar when our minSdkVersion < 26. I need the correct format and current date for an api request. Date, Calendar, & SimpleDateFormat. Issue: I want to convert a string date in the format of yyyy-MM-dd to an actaul date, I can do it with the following method that I created but the problem is its only compatible with API Level 26 and above, and my minimum support Level is 19. And search Stack Overflow for many examples and explanations. Fortunately, since Kotlin has excellent compatibility with Java, we can use the SimpleDateFormat class. time / 1000, 0) its store wrong year, in debug is telling the correct year but stores year 3920 in timestamp instead 2020 or 1981 it happens with any I am trying to get the current date and time in ISO 8601 format. So we’re going to begin by unpacking the nuances of LocalDate, from simple string-to-date conversions To get human readable components from an Instant value, you need to convert it to the LocalDateTime type that represents date and time components without a reference to the particular time zone. Convert date to I suggest you switch from the outdated java. There is a problem that long value in Java can not parsed to String( or Long) in Kotlin. As Kotlin is interoperable with Java, we will be using Java utility class and Simple Date LocalDateTime is modern alternative. How to split a Long into two Ints in Kotlin? 1. 1: 6190: September 19, 2021 JodaTime and Nullables. format(this) } fun getCurrentDateTime(): Date { return Calendar. Kotlin convert TimeStamp to DateTime. Your code instant. Note that what you are trying to do with println(arr[i]) is getting a Long value out of arr, but the indexing of arrays is done with Ints. In your case, you'd want: val formatter = DateTimeFormatter. But getting minor issue in displaying or converting it to 12 hour format. I want to convert that time to minutes like below photo (elapsed time from now to that date) and pass that method to viewholder. These classes supplant the troublesome old legacy date-time classes such as java. Parse the given time string using LocalTime#parse and then convert it into a UTC OffsetTime by using LocalTime#atOffset. util Date-Time API and their formatting API, SimpleDateFormat are outdated and error-prone. I have wirtten a base query get some data NutritionInTake . toString(2) returns "-1" instead of a string of 1 bits). Follow How to convert format date from iso in kotlin. Kotlin - how to parse a string that is either in a LocalDateTime The date String maybe like "2010-10-15T09:27:37Z" or "July 30, 2020" or any other format. In this example, you're only converting one string, but you mentioned you wanted to convert many. – gyoder. Parsing java long value to String in Kotlin. Commented Jul 20, 2011 at 8:34. public class CountryCode { private long code; public long getCode(){ return code; } } (Kotlin code) CountryUseCase. 17 Kotlin convert string to date and take one day before. time API. Any idea what is the best way to get the time from the data I have? @Ken Wolf Is it possible to combine two separate Strings, one date String and one time String into one String (for example, "30/09/2014" and "10:00 PM" into "30/09/2014 10:00 PM" to get a long value from the combined String? The date String is format "dd/MM/yyyy" and the time String is format "h:mm a". MAX – Joy. android. fromJson(json, Date. So how does it look on Android? We will utilize the java. Your Answer needlessly involves ZonedDateTime. We need two formatters, one to convert the string (in a given pattern) to date and another to convert the date back to string (in a different pattern). IntakeDate is a time stamp and OnDate is only date, because of the time, result is not showing properly, Its a web application. How to convert string to char in Kotlin? 5. Android, How can I Convert String to Date? Cant convert String to date in android. Commented May 28, 2020 at 12:20. Converts the Instant to an instance of JS Date. In order to do that, we can use the toString() function: assertEquals("42", 42. setEndpoint(API_BASE_URL And I am facing conversion problem, I am getting sunrise and sunset to Long (seconds) and I need to convert to HH: mm. I get date in this format from the server "2021-04-25T14:05:03". A special case of DateTimePeriod that only stores the date components and has all time Converts this kotlinx. is going to cause a lot of work. SimpleDateFormat, I cannot convert the correctly formatted String 2010-01-01T12:00:00+01:00. Ticks; DateTime dt = new DateTime(beginTicks + dateNumber * 10000, Convert string to date in kotlin. I will have to trust you to convert my Java to Kotlin. time. systemDefault()). The Code A can convert a long value to date value, just like 2018. Java 7 i Think the best thing you can do is to convert it to a string and than convert into a kotlinx. id]} In this tutorial, we’ve seen how to convert String objects into Date types using the Date-Time API with Kotlin. ofPattern("yyyy-MM-dd['T'HH:mm]") Where the ['T'HH:mm] defines the optional time part. Here we will explain Kotlin date time functions to get current epoch or Unix timestamp, convert timestamp to date and convert date to epoch or Unix timestamp. Utc). Since Kotlin 1. Example. ZoneOffset to JSDate. – Viddyut Khanvilkar. ArithmeticException: long overflow in case instant is Instant. ZonedDateTime import java. Builder() . . toJSDate (): Date. toInt() ←not safety! when out of int range Please add this function to arbitrary kt file instead. format(new The SimpleDateFormat class is notoriously troublesome, and related classes like Date are poorly designed too. Exposed-kotlin-datetime. To Convert you date in dd/MM/yyyy format into milliseconds you call this function with data as String What is epoch time? The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z). from works fine for me (as in it keeps time information), for example:. There can be the following possible situations: Only one instant has this datetime value in the timeZone. The other feature that the code snippet demonstrates is the use of LocalDate and DateTimeFormatter from java. I have gone through api but could not find a satisfactory answer. import java. Get time from LocalDateTime. timeInMillis = timestamp * 1000L val date = DateFormat. time over the long outdated date-time classes like Date and in particular SimpleDateFormat. It provides many date time functions to handle date time functionality. What I meant is that your current functions create new formats each time they are called (because they call the SimpleDateFormat() constructor). Then, a method called toIntOrNull is added to Long. DISTANT_FUTURE. How do I convert a long to a byte[] and back in Java? I'm trying convert a long to a byte[] so that I will be able to send the byte[] over a TCP connection. – Abhishek. val stringDate = "18/07/2019 04:20 PM" or just use the 24 hour format "dd/MM/yyyy HH:mm". getTime()/1000; PHP: strtotime("2024-12-29 05:33:09"); Bash: date +"%s" -d "2024-12-29 05:33:09" Unix Time How can I convert these values to Iso 8601 date format? I need like this format: "2022-03-20T16:58:00. – Kaj. I think these are the Kotlin equivalents of some Java ways, but I'm wondering if these approaches are correct/necessary in Kotlin. 37. 770268 For now i just thought about the splitting it ba Java 8 has a completely new API for date and time. In this case, the conversion is unambiguous. You will have to rely on the target platform's facilities for date/time parsing and formatting. I have DatePicker Dialog, When I select date at that time I want to calculate age it's working but when I select date of current year at that time it showing the -1 age instead of 0 then how can so Platform specifics. – Anonymous However when I check the database the dates are still stored as strings in this format 2020/10/30 12:48:34. Given below is the Java code for your requirement and I hope you should be able to convert the same into Kotlin. 3: ↓Long. * fun main() { //sampleStart // Converting an instant to a local date-time in a How can I parse a Unix timestamp to a date string in Kotlin? For example 1532358895 to 2018-07-23T15:14:55Z. see DateUtils# . 10 I hope to get Date + Time value , such as 2018. util implementation, we simply need to instantiate a new object In Kotlin, the Long class has a useful helper function called toInt(). Let's take a couple of examples to demonstrate how it's done. getDefault()): String { val formatter = SimpleDateFormat(format, locale) return formatter. toKotlinLocalDateTime() extension functions to convert between I have a date inside a string, something like "12-December-2012". ofEpochMilli(millisecondsSinceEpoch) . DateTime fromDate = new DateTime("2011-07-19T18:23:20+0000"); long epochTime = fromDate. 2011-07-19T14:23:20. To learn more, see the Oracle Tutorial. SIZE_BYTES) { putLong(this@toByteArray) } private inline fun numberToByteArray(size: Int Learn Android - Convert Date Format into Milliseconds. 2. { val date = Date(this. I'm trying to convert a UTC string date to local time, so it's in a more readable format. Parse "dd/mm/yyyy" into Date Kotlin. But be careful with long to double conversion because long to double is a narrowing conversion in java. How to convert byte size into human-readable format in Java? Like 1024 should become "1 Kb" and 1024*1024 should become "1 Mb". Period. Note that the modern Date-Time API is based on ISO 8601 and does not require using a DateTimeFormatter object explicitly as long as the Date-Time string conforms If your long is actually the time in microseconds, you might want to divide it by 1000 before using it in Instant. The Truncation Problem The conversion is straightforward when you know how. There are a few ways this can be done, but the easiest and Example: 2019–12–14T10:30:00Z. IllegalArgumentException: java. " – AndroidDev123. getDefault()) formatter It is a modern programming language that makes developers happier. toInt() is not safety. Date API. Convert string to date in kotlin. Date class in Kotlin, but LocalDate is the more modern API, so you should use it. Follow edited Dec 13, 2021 at 23:45. getMinutes() // return 10 But I have no idea how to get the time using kotlin. You should toLong() function to convert. Chapter 1: Mastering LocalDate in Kotlin. time package. hours this is That entire class is poorly designed and long outdated. toByteArray() = numberToByteArray(Long. now() ) should have been your solution. But your timestamp already holds a value in milliseconds not in seconds (this false assumption is most likely the reason you have the multiplication). Why can't I convert a string "20L" to Long in Kotlin? 1. Please. Kotlin’s standard library Finally, let’s look into working with Periods in Kotlin. how i convert this Timestamp(seconds=1556006384, nanoseconds=994000000) to Date in kotlin. Link copied to clipboard You can define optional parts in the pattern of a DateTimeFormatter. This method returns null if it tries to convert long to int, when it does not fit within int range. I want to convert it to the user local Timezone, so if it is GMT +02:00, I want a date with a value of 2016-04-26T11:14:10. format. I'm searching a way to convert this String values to get the following format: In software development, there often comes a time when you're dealing with epoch or UNIX time – a measurement of time that represents the number of seconds that have elapsed since January 1, 1970 (excluding leap seconds). There was a reason why they were replaced. MM. innerJoin (FoodMaster, {NutritionInTake. Here's a simple test run: (these are actually timestamps and will need to be converted back to the Date ). Date date = new Date(epochTime); Note that epochTime here ought to be in milliseconds since the epoch - if you've got seconds since the epoch, multiply by 1000. Solution using java. Just use Instant in the first place. Kotlin: Date time That conversion shouldn't work - there is no Date. 3. It is recommended to stop using them completely and switch to the modern Date-Time API. Here is the code Android Room: Type converter for String Date to Long? 1. The problem is that you are multiplying the timestamp by 1000. It will never work with Longs: /** * Returns the array element at the given [index]. Viewed 23k times Part of Mobile Development Collective US phone service for long-term travel How *exactly* is divisibility defined? i'm working with firestore, and getting stuck when i get the timestamp from firestore. Here is the snippet code: (Java code) CountryCode. For example: I have a val with date-time value like : val dateTime = "2020-12-13 17:54:00" Now I want to convert it to 10 digit timestamp like "1607842496" Please give me a simple sample to show how I Returns an instant that corresponds to this civil datetime value in the specified timeZone. from( Instant. Duration type to perform duration unit conversions: longMillis. How to convert "2017-04-26T20:55:00. kdw pzos jyu jkogj wfris zuakj drxurs dybun qznhh fuhdeb