Here you can find the source of toDate(Instant moment)
public static Date toDate(Instant moment)
//package com.java2s; //License from project: Open Source License import java.time.Instant; import java.time.LocalDateTime; import java.time.ZoneId; import java.util.Date; public class Main { public static Date toDate(Instant moment) { if (moment == null) { return null; }//from ww w . j av a2s. com Date date = Date.from(moment); return date; } public static Date toDate(LocalDateTime localDateTime) { if (localDateTime == null) { return null; } Instant moment = toInstant(localDateTime); Date date = toDate(moment); return date; } public static Instant toInstant(Date date) { if (date == null) { return null; } Instant moment = Instant.ofEpochMilli(date.getTime()); return moment; } public static Instant toInstant(LocalDateTime localDateTime) { if (localDateTime == null) { return null; } Instant moment = localDateTime.atZone(ZoneId.systemDefault()).toInstant(); return moment; } }