Question

How to convert date to milliseconds in Java

Answer 1

import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;

public class MyClass {
    public static void main(String args[]) {
        String date = "2021/02/27 12:17:44";
        
		LocalDateTime localDateTime = LocalDateTime.parse(date,
		                    DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm:ss"));
		    
		long milliseconds = localDateTime.atZone(ZoneId.of("America/Los_Angeles")) 
		                                        .toInstant().toEpochMilli();
    
		System.out.println(milliseconds);    
    }
}



/*
run:

1614457064000

*/

 

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