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Java Date Time - ZonedDateTime.withDayOfMonth() Examples

[Last Updated: Nov 8, 2025]

Java Date Time Java Java API

Class:

java.time.ZonedDateTime

Method:

public ZonedDateTime withDayOfMonth(int dayOfMonth)

Returns a copy of this ZonedDateTime with the day-of-month replaced with the provided 'dayOfMonth'

Examples

package com.logicbig.example.zoneddatetime;

import java.time.ZonedDateTime;

public class WithDayOfMonthExample {

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

        ZonedDateTime d2 = d.withDayOfMonth(30);
        System.out.println(d2);
    }
}

Output

2017-05-01T16:00:24.211-05:00[America/Chicago]
2017-05-30T16:00:24.211-05:00[America/Chicago]

See Also