Date facts
Wednesday, January 23, 1980
January 23, 1980 is day 23 of 366, in ISO week 4. There are 343 days left in 1980 after this date.
Weekday
Wednesday
Calendar weekday
Day of year
23
of 366
ISO week
4
Week-year 1980
Days remaining
343
In 1980
Weeks start on Monday and use ISO week numbers. Wednesday is week 4 of 1980.