December 2026 has 31 days
The month opens on a Tuesday and closes on a Thursday. It holds 23 working days and 8 weekend days, and covers days 335 to 365 of 2026. It begins 69 days from today.
How many days are in December 2026?
December 2026 has 31 days. Month lengths never change outside February, so December always has 31 days. Of those, 23 fall on a weekday and 8 at a weekend, which is the split before any public holiday is deducted.
What day does December 2026 start on?
1 December 2026 is a Tuesday and 31 December is a Thursday. The month spans ISO weeks 49 to 53 and contains 4 Mondays, 4 Fridays, 4 Saturdays and 4 Sundays.
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | 31 |
What is on in December 2026?
| Date | What it is | Kind | Days away |
|---|---|---|---|
| 1 December | December starts | observance | today |
| 1 December | World AIDS Day | observance | today |
| 1 December | Last Quarter | sky event | today |
| 9 December | New Moon | sky event | 8 days |
| 10 December | Human Rights Day | observance | 9 days |
| 14 December | Geminids peak | sky event | 13 days |
| 17 December | First Quarter | sky event | 16 days |
| 21 December | December solstice | astronomical | 20 days |
| 22 December | Ursids peak | sky event | 21 days |
| 24 December | Christmas Eve | observance | 23 days |
| 24 December | Full Moon | sky event | 23 days |
| 25 December | Christmas Day | holiday | 24 days |
| 26 December | Boxing Day | holiday | 25 days |
| 30 December | Last Quarter | sky event | 29 days |
| 31 December | New Year's Eve | observance | 30 days |
Moon phases in December 2026
| Phase | Date | Weekday | Note |
|---|---|---|---|
| Last Quarter | 1 December | Tuesday | instant given in UTC |
| New Moon | 9 December | Wednesday | instant given in UTC |
| First Quarter | 17 December | Thursday | instant given in UTC |
| Full Moon | 24 December | Thursday | traditionally the Cold Moon |
| Last Quarter | 30 December | Wednesday | instant given in UTC |
Phase instants are computed in Universal Time. A phase falling late in the UTC day can read as the previous calendar date in the Americas, which is why published moon calendars sometimes disagree by one day.
Sky events and season boundaries in December 2026
The december solstice falls in this month, opening winter in the northern hemisphere. Geminids and Ursids peak this month, with the moon waxing crescent and waxing gibbous on the peak nights. No eclipse is catalogued in it.
How many working days in December 2026?
There are 23 working days in December 2026 on a Monday to Friday week, and 8 weekend days. 2 public holidays from the catalogued countries fall in the month: Christmas Day on 25 December, Boxing Day on 26 December. Whether any of those reduces your own working total depends on which country you are in.
Questions about December 2026
- How many days are in December 2026?
- 31 days.
- What day of the week does December 2026 start on?
- A Tuesday. It ends on a Thursday.
- How many working days are in December 2026?
- 23, counting Monday to Friday and not deducting public holidays.
- What holidays are in December 2026?
- Christmas Day, Boxing Day.
- How many weekends are in December 2026?
- 4 Saturdays and 4 Sundays.
Other months
November 2026 · January 2027 · The 2026 calendar year · Every date in 2026