Weekday and calendar
What Day Is December 13?
Today: · Eastern Time (America/New_York)
Weekday and calendar
Sunday
December 13, 2026 is a Sunday.
December 2026
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| Target | ||||||
- Weekend?
- Yes
- Weekday
- Sunday
- ISO week / year
- 50 / 2026
- Day of year
- 347
- Quarter
- 4
- Days left in year
- 18
- Leap year
- No
December 13 by year
| Date | Weekday | ISO week / year |
|---|---|---|
| December 13, 2026 | Sunday | 50 / 2026 |
| December 13, 2027 | Monday | 50 / 2027 |
| December 13, 2028 | Wednesday | 50 / 2028 |
| December 13, 2029 | Thursday | 50 / 2029 |
| December 13, 2030 | Friday | 50 / 2030 |
Quick answers
- What day of the week is December 13, 2026?
- December 13, 2026 is a Sunday.
- What week of the year is December 13, 2026?
- December 13, 2026 is in ISO week 50 of 2026 and is day 347 of the year.
- Is December 13, 2026 a federal holiday?
- No. It is not a U.S. federal holiday or federal day off.
How this is calculated
Shows the next occurrence on or after today. Once the date has passed this year, the page moves to next year.
February 29 occurs only in leap years. Non-leap years are skipped, not changed to February 28 or March 1.
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