Date facts
Monday, December 1, 1980
December 1, 1980 is day 336 of 366, in ISO week 49. There are 30 days left in 1980 after this date.
Weekday
Monday
Calendar weekday
Day of year
336
of 366
ISO week
49
Week-year 1980
Days remaining
30
In 1980
Weeks start on Monday and use ISO week numbers. Monday is week 49 of 1980.