Date facts
Tuesday, December 9, 2025
December 9, 2025 is day 343 of 365, in ISO week 50. There are 22 days left in 2025 after this date.
Weekday
Tuesday
Calendar weekday
Day of year
343
of 365
ISO week
50
Week-year 2025
Days remaining
22
In 2025
Weeks start on Monday and use ISO week numbers. Tuesday is week 50 of 2025.