Date facts
Sunday, January 20, 1980
January 20, 1980 is day 20 of 366, in ISO week 3. There are 346 days left in 1980 after this date.
Weekday
Sunday
Calendar weekday
Day of year
20
of 366
ISO week
3
Week-year 1980
Days remaining
346
In 1980
Weeks start on Monday and use ISO week numbers. Sunday is week 3 of 1980.