Javascript Date calculator

Calculate dates or time between dates with this javascript date calculator. Note: times prior to October 15, 1582 are not functioning properly in Time 1.

D A T E   C A L C U L A T O R
Time 1	year month day hours mins secs
Increment	days seconds	To calculate a new date or weekday, fill in time1 and the increment days and seconds and then click here:
Time 2	year month day hours mins secs Day of Week	To calculate the number of days and seconds between two times, fill in time1 and time2 (no Day of Week needed) and then click here:
Clear all and make time1 now