Date facts
Wednesday, December 16, 2026
December 16, 2026 is day 350 of 365, in ISO week 51. There are 15 days left in 2026 after this date.
Weekday
Wednesday
Calendar weekday
Day of year
350
of 365
ISO week
51
Week-year 2026
Days remaining
15
In 2026
Weeks start on Monday and use ISO week numbers. Wednesday is week 51 of 2026.