Java Instant atOffset() method

The atOffset() method of Java Instant class is used to combine the instant with an offset to create an OffsetDateTime.

Syntax

Parameters

offset - The offset to combine with, not null.

Return

The offset date-time formed from this instant and the specified offset, not null.

Exceptions

DateTimeException - If the result exceeds the supported range.

Example 1

import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;

public class InstantAnOffsetExample1 {
   public static void main(String[] args) {

      Instant instant = Instant.parse("2017-02-03T10:37:30.00Z");
      System.out.println(instant);  

      ZoneOffset offset = ZoneOffset.ofHours(5);

      OffsetDateTime  date = instant.atOffset(offset);
      System.out.println(date);  
   }
}

Output:

The output will be like this.
2017-02-03T10:37:30Z
2017-02-03T15:37:30+05:00

Example 2

import java.time.Clock;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.OffsetDateTime;
import java.time.OffsetTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;

public class InstantAnOffsetExample2 {
   public static void main(String[] args) {

      // Current date time with an offset
      OffsetDateTime dateTime = OffsetDateTime.now();
      System.out.println(dateTime);

      // To LocalDateTime
      LocalDateTime localDateTime = dateTime.toLocalDateTime();
      System.out.println(localDateTime);

      // To LocalDate
      LocalDate localDate = dateTime.toLocalDate();
      System.out.println(localDate);

      // To LocalTime
      LocalTime localTime = dateTime.toLocalTime();
      System.out.println(localTime);

      // To ZonedDateTime
      ZonedDateTime zonedDateTime = dateTime.toZonedDateTime();
      System.out.println(zonedDateTime);
      // To Instant
      Instant instant=dateTime.toInstant();
      System.out.println(instant);
      
      // To OffsetTime
      OffsetTime offsetTime=dateTime.toOffsetTime();
      System.out.println(offsetTime);
   }

Output:

2017-07-03T22:35:29.771+05:30 
2017-07-03T22:35:29.771
2017-07-03
22:35:29.771
2017-07-03T22:35:29.771+05:30
2017-07-03T17:05:29.771Z
22:35:29.771+05:30

Example 3

import java.time.OffsetDateTime;

public class InstantAnOffsetExample3{
   public static void main(String[] args) {

      OffsetDateTime dateTime = OffsetDateTime.now();
      
      System.out.println("Year : " + dateTime.getYear());
      System.out.println("Month : " + dateTime.getMonth().getValue());
      System.out.println("Day of Month : " + dateTime.getDayOfMonth());
      System.out.println("Day of Week : " + dateTime.getDayOfWeek());
      System.out.println("Day of Year : " + dateTime.getDayOfYear());
      System.out.println("Offset : " + dateTime.getOffset());
   }
}

Output:

 Year : 2017
 Month : 7 
 Day of Month : 6
 Day of Week : THURSDAY 
 Day of Year : 187
 Offset : +05:30

Example 4

import java.time.OffsetDateTime;
public class InstantAnOffsetExample4 { 
public static void main(String[] args) {
 OffsetDateTime dateTime = OffsetDateTime.now(); System.out.println("Hour : " + dateTime.getHour()); 
 System.out.println("Minute : " + dateTime.getMinute()); System.out.println("Second : " + dateTime.getSecond()); 
System.out.println("Nano : "+dateTime.getNano()); 
  }
 }

Output:

Hour : 21
Minute : 41
Second : 10
Nano : 941000000

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Java Instant atOffset() method

Syntax

Parameters

Return

Exceptions

Example 1

Example 2

Example 3

Example 4

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Java Instant atOffset() method

Syntax