/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.time.* ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		var now1 = Instant.now().getEpochSecond() - 60 ;
		var now2 = Instant.now().minusSeconds(60).getEpochSecond() ;
		var now3 = LocalDateTime.now().minusSeconds(60).toEpochSecond( ZoneOffset.UTC ) ;
		var now4 = System.currentTimeMillis() / 1000 - 60 ;
 
		System.out.println( now1 ) ;
		System.out.println( now2 ) ;
		System.out.println( now3 ) ;
		System.out.println( now4 ) ;
 
		long delta = 1_674_501_451L - 1_674_512_251L ;
		Duration duration = Duration.ofSeconds( delta ) ;
		System.out.println( "delta = " + delta ) ;
		System.out.println( "duration = " + duration ) ;
 
		System.out.println( ZoneId.systemDefault() ) ;
 
		LocalDateTime ldt = LocalDateTime.ofEpochSecond( 1_674_512_251L , 0 , ZoneOffset.UTC ) ;
		String output = ldt.toString() ;
		System.out.println( output ) ;
	}
}

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