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Java Date Time - ZonedDateTime.now() Examples

Java Date Time Java Java API 

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Class:

java.time.ZonedDateTime

java.lang.Objectjava.lang.Objectjava.time.ZonedDateTimejava.time.ZonedDateTimejava.time.temporal.TemporalTemporaljava.time.chrono.ChronoZonedDateTimeChronoZonedDateTimejava.io.SerializableSerializableLogicBig

Methods:

public static ZonedDateTime now()

Returns the current ZonedDatetime from the system clock in the default time-zone.


public static OffsetDateTime now(ZoneId zone)

Returns the current ZonedDatetime from the system clock and in provided ZoneId.


public static OffsetDateTime now(Clock clock)

Returns the current ZonedDatetime from provided clock.

Examples


package com.logicbig.example.zoneddatetime;

import java.time.Clock;
import java.time.ZoneId;
import java.time.ZonedDateTime;

public class NowExample {

    public static void main(String... args) {
        ZonedDateTime d = ZonedDateTime.now();
        System.out.println(d);

        ZonedDateTime d2 = ZonedDateTime.now(ZoneId.of("America/New_York"));
        System.out.println(d2);

        ZonedDateTime d3 = ZonedDateTime.now(Clock.tickSeconds(ZoneId.of("Asia/Seoul")));
        System.out.println(d3);
    }
}

Output

2017-05-01T16:01:35.193-05:00[America/Chicago]
2017-05-01T17:01:35.232-04:00[America/New_York]
2017-05-02T06:01:35+09:00[Asia/Seoul]




This example shows the difference between using ZoneId.of(..) and Clock methods. 

package com.logicbig.example.zoneddatetime;

import java.time.Clock;
import java.time.Instant;
import java.time.ZoneId;
import java.time.ZonedDateTime;

public class NowExample2 {

    public static void main(String... args) {

        ZoneId zoneId = ZoneId.of("America/New_York");

        ZonedDateTime d2 = ZonedDateTime.now(zoneId);
        System.out.println(d2);

        ZonedDateTime d3 = ZonedDateTime.now(Clock.tickSeconds(zoneId));
        System.out.println(d3);

        ZonedDateTime d4 = ZonedDateTime.now(Clock.tickMinutes(zoneId));
        System.out.println(d4);

        Clock clock = Clock.fixed(Instant.now(), zoneId);
        ZonedDateTime d5 = ZonedDateTime.now(clock);
        System.out.println(d5);
    }
}

Output

2017-05-01T17:01:37.277-04:00[America/New_York]
2017-05-01T17:01:37-04:00[America/New_York]
2017-05-01T17:01-04:00[America/New_York]
2017-05-01T17:01:37.322-04:00[America/New_York]

See Also