Date facts
Sunday, December 31, 2023
December 31, 2023 is day 365 of 365, in ISO week 52. There are 0 days left in 2023 after this date.
Weekday
Sunday
Calendar weekday
Day of year
365
of 365
ISO week
52
Week-year 2023
Days remaining
0
In 2023
Weeks start on Monday and use ISO week numbers. Sunday is week 52 of 2023.