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How to convert JavaScript Date to Java date-time with a time-zone?

rated 0 times [ 27] [ 3] / answers: 1 / hits: 15682 / 8 Years ago, thu, march 31, 2016, 12:00:00

Is there a simple way to convert a JavaScript Date to a Java 8 date-time with a time-zone?

I have a web application which consists of two parts, front end is written in JavaScript and the back end in Java. A user should be able to select a date-time in UI and the value should be consumed by the back end. What is the easiest way of converting this value to Java date-time?

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harrisa

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2 Years ago

answered 8 Years ago jazminkyrap · Accepted Answer

You can convert time using The Universal Coordinated Time (UTC) and ZonedDateTime, for example:

Thu, 31 Mar 2016 06:49:02 GMT

Thu, 31 Mar 2016 06:49:02 -0830

JavaScript

var d = new Date();

var n = d.toUTCString();

toUTCString() method converts a Date object to a string, according to universal time. For example, console.log(n); will print out a result:

Tue, 17 Mar 2020 08:59:19 GMT

Java 8

ZonedDateTime zdt = ZonedDateTime.parse(text, DateTimeFormatter.RFC_1123_DATE_TIME);

text is a UTC date and time string

ZonedDateTime is a date-time with a time-zone in the ISO-8601 calendar system

RFC_1123_DATE_TIME is a predefined RFC-1123 date-time formatter.

Printing zdt for the above example value will produce:

2020-03-17T08:59:19Z