| ISO week number, Monday to Sunday | Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|---|
| 49 | |||||||
| 50 | |||||||
| 51 | |||||||
| 52 | |||||||
| 1 |
Holiday or observanceWeekend
Holidays in December
- Christmas EveDec 24Tue, Dec 24 · Observance
- Christmas DayDec 25Wed, Dec 25 · Federal
- New Year's EveDec 31Tue, Dec 31 · Observance
Federal holidays from 5 U.S.C. §6103, plus widely kept US observances. 4 religious dates fall in December 2030 as well — see the calendar with every holiday.
Moon phases
First quarter
Sun, Dec 1
5:56 PM ET
Full moon
Mon, Dec 9
5:40 PM ET
Last quarter
Tue, Dec 17
7:01 PM ET
New moon
Tue, Dec 24
12:32 PM ET
First quarter
Tue, Dec 31
8:36 AM ET
Times in US Eastern. Computed from Meeus, Astronomical Algorithms, ch. 49.
The moon through December
- 1
- 3
- 5
- 7
- 9
- 11
- 13
- 15
- 17
- 19
- 21
- 23
- 25
- 27
- 29
- 31
About December 2030
December 2030 has 31 days. It begins on a Sunday and ends on a Tuesday, which gives the month five Sundays, Mondays and Tuesdays — and only four of every other weekday. Of its 22 weekdays, 1 is a federal holiday, leaving 21 working days.
The December solstice falls on Saturday, December 21, 2030, the 21st of the month.