/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* 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
	{
		// your code goes here
		System.out.println(convertDoubleToWindowsTime(42197.8683188657));
	}
	public static  Date convertDoubleToWindowsTime(double comTime) {
		long result = 0;
		comTime = comTime - 25569D;
		Calendar cal = Calendar.getInstance();
		result = Math.round(86400000L * comTime)
				- cal.get(Calendar.ZONE_OFFSET);
		cal.setTime(new Date(result));
		result -= cal.get(Calendar.DST_OFFSET);
 
		return cal.getTime();
	}
}

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