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Java Date Time - LocalDateTime.withHour() Examples

[Last Updated: Nov 8, 2025]

Java Date Time Java Java API

Class:

java.time.LocalDateTime

Method:


public LocalDateTime withHour(int hour)

Returns a copy of this LocalDateTime with the hour-of-day field replaced with the specified

hour value. This method will throw exception for an invalid value e.g. 24.

Examples

package com.logicbig.example.localdatetime;

import java.time.LocalDateTime;

public class WithHourExample {

    public static void main (String... args) {
        LocalDateTime d = LocalDateTime.of(2000, 1, 2,
                                           10, 20);
        LocalDateTime d2 = d.withHour(20);
        System.out.println(d2);
    }
}

Output

2000-01-02T20:20

See Also