Java HijrahChronology from LocalDate
import java.time.LocalDate; import java.time.Month; import java.time.chrono.ChronoLocalDate; import java.time.chrono.Chronology; import java.time.chrono.HijrahChronology; import java.time.format.DateTimeFormatter; public class Main { public static String toString(LocalDate localDate, Chronology chrono) { ChronoLocalDate cDate;/* w w w . j av a2s . c o m*/ cDate = chrono.date(localDate); String pattern = "M/d/yyyy GGGGG"; DateTimeFormatter dateFormatter = DateTimeFormatter.ofPattern(pattern); return dateFormatter.format(cDate); } public static void main(String[] args) { LocalDate date = LocalDate.of(2020, Month.OCTOBER, 29); System.out.printf("%s%n", toString(date, HijrahChronology.INSTANCE)); } }