ZonedDateTime of() Method in Java with Examples

ZoneId ofOffset() method in Java with Examples

Last Updated : 02 Feb, 2022

The ofOffset() method of the ZoneId class used to obtain an instance of ZoneId wrapping an offset.If the prefix passed in this method is "GMT", "UTC", or "UT" a ZoneId with the prefix then the non-zero offset is returned and If the prefix is empty "" then the ZoneOffset is returned.
Syntax:

public static ZoneId ofOffset(String prefix,
                              ZoneOffset offset)

Parameters: This method accepts two parameters prefix and offset where prefix represents the time-zone ID and offset represents the offset.
Return value: This method returns the zoneId.
Exception: This method throws an IllegalArgumentException if the prefix is not one of "GMT", "UTC", or "UT", or "".
Below programs illustrate the ofOffset() method:
Program 1:

Java

// Java program to demonstrate
// ZoneId.ofOffset() method

import java.time.*;

public class GFG {
    public static void main(String[] args)
    {

        // create ZoneId object
        ZoneId zoneId
            = ZoneId.ofOffset(&quot;UTC&quot;,
                              ZoneOffset.UTC);

        // print result
        System.out.println(&quot;ZoneId:&quot;
                           + zoneId);
    }
}

Output:

ZoneId:UTC

Program 2:

Java

// Java program to demonstrate
// ZoneId.ofOffset() method

import java.time.*;
public class GFG {
    public static void main(String[] args)
    {

        // create ZoneId object
        ZoneId zoneId
            = ZoneId.ofOffset(&quot;GMT&quot;,
                              ZoneOffset.MAX);

        // print result
        System.out.println(&quot;ZoneId:&quot;
                           + zoneId);
    }
}

Output:

ZoneId:GMT+18:00

References:
https://docs.oracle.com/javase/10/docs/api/java/time/ZoneId.html#ofOffset(java.lang.String, java.time.ZoneOffset)

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