Date facts
Monday, December 13, 1999
December 13, 1999 is day 347 of 365, in ISO week 50. There are 18 days left in 1999 after this date.
Weekday
Monday
Calendar weekday
Day of year
347
of 365
ISO week
50
Week-year 1999
Days remaining
18
In 1999
Weeks start on Monday and use ISO week numbers. Monday is week 50 of 1999.