TemporalAdjusters firstDayOfNextMonth() method in Java with Examples Last Updated : 14 Jul, 2025 Comments Improve Suggest changes Like Article Like Report The firstDayOfNextMonth() method of a TemporalAdjusters class is used to return the "first day of next month" TemporalAdjuster object, which returns a new Date object set to the first day of the next month. Syntax: public static TemporalAdjuster firstDayOfNextMonth() Parameters: This method accepts nothing. Return value: This method returns the first day of next month adjuster, not null. Below programs illustrate the TemporalAdjusters.firstDayOfNextMonth() method: Program 1: Java // Java program to demonstrate // TemporalAdjusters.firstDayOfNextMonth() import java.time.LocalDate; import java.time.temporal.TemporalAdjusters; import java.time.temporal.TemporalAdjusters; public class GFG { public static void main(String[] args) { // get TemporalAdjuster with first day // of next month adjuster TemporalAdjuster temporalAdjuster = TemporalAdjusters.firstDayOfNextMonth(); // using adjuster for local date time LocalDate localDate = LocalDate.of(2020, 05, 11); LocalDate firstDayOfNextMonth = localDate.with(temporalAdjuster); // print System.out.println("First day of next " + "month for localdate " + localDate + ": " + firstDayOfNextMonth); } } Output:First day of next month for localdate 2020-05-11: 2020-06-01 Program 2: Java // Java program to demonstrate // TemporalAdjusters.firstDayOfNextMonth() method import java.time.LocalDate; import java.time.temporal.*; public class GFG { public static void main(String[] args) { // get TemporalAdjuster with first day // of next month adjuster TemporalAdjuster temporalAdjuster = TemporalAdjusters .firstDayOfNextMonth(); // using adjuster for local date-time LocalDate localDate = LocalDate.of(2010, 12, 29); LocalDate firstDayOfNextMonth = localDate.with(temporalAdjuster); // print System.out.println( "First day of next " + "month for localdate " + localDate + ": " + firstDayOfNextMonth); } } Output:First day of next month for localdate 2010-12-29: 2011-01-01 References: https://docs.oracle.com/en/java/javase/24/ Comment More infoAdvertise with us Next Article Introduction to Java A AmanSingh2210 Follow Improve Article Tags : Java Java-Functions java.time.format package Practice Tags : Java Similar Reads Java Tutorial Java is a high-level, object-oriented programming language used to build web apps, mobile applications, and enterprise software systems. 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