localtime method
Implementation
Tm localtime( int t ){
DateTime date = DateTime.fromMillisecondsSinceEpoch( t * 1000 );
DateTime startDate = DateTime( date.year, 1, 1, 0, 0, 0 );
sec = date.second;
min = date.minute;
hour = date.hour;
mday = date.day;
mon = date.month - 1;
year = date.year - 1900;
wday = ClipMath.imod( date.weekday, 7 );
yday = (date.millisecondsSinceEpoch - startDate.millisecondsSinceEpoch) ~/ 86400000;
return this;
}