Parse date from Windows epoch timestamp.

ParseDateFromADTimestamp

// The difference between the Windows epoch (1601-01-01 00:00:00) and the Unix epoch (1970-01-01 00:00:00) in milliseconds: 11644473600000L.

private final static long WINDOWS_UNIX_EPOCH_DIFF_MILLISECONDS = 11644473600000L;

public static Date parseDateFromADTimestamp(String strADTimestamp) {
	long adTimestamp = Long.parseLong(strADTimestamp);
	long millisecondsTime  = (adTimestamp / 10000) - WINDOWS_UNIX_EPOCH_DIFF_MILLISECONDS;
	Date date = new Date(millisecondsTime);
	return date;
}