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Java Date Time - Period.plusMonths() Examples

[Last Updated: Nov 8, 2025]

Java Date Time Java Java API

Class:

java.time.Period

Method:

public Period plusMonths(long monthsToAdd)

This method returns a copy of this period with the specified months added.

Examples

package com.logicbig.example.period;

import java.time.Period;

public class PlusMonthsExample {

    public static void main(String... args) {
        Period p = Period.of(10, 2, 13);
        System.out.println(p);

        Period p2 = p.plusMonths(30);
        System.out.println(p2);

        Period p3 = p.plusMonths(-30);
        System.out.println(p3);
    }
}

Output

P10Y2M13D
P10Y32M13D
P10Y-28M13D

See Also