December 2028 Calendar
Updated November 6, 2026 · Edited by the JanuaryCalendar.com team
December 2028 starts on Friday, December 1, and ends on Sunday, December 31. It has 31 days, 21 weekdays and 20 US working days. US federal holidays: Christmas Day (Mon, Dec 25).
- Starts
- Friday
- Days
- 31
- US working days
- 20
- Full moon
- Dec 1, Dec 31
- Birthstone
- Turquoise
- Zodiac
- Sagittarius, Capricorn
December 2028
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| 1Full Moon | 2 | |||||
| 3 | 4 | 5 | 6 | 7 | 8 | 9Last Quarter |
| 10 | 11 | 12 | 13 | 14 | 15New Moon | 16 |
| 17 | 18 | 19 | 20 | 21 | 22 | 23First Quarter |
| 24Christmas Eve | 25Christmas | 26 | 27 | 28 | 29 | 30 |
| 31Full MoonNew Year's Eve |
- Dec 1○ Full Moon, 8:40 p.m. EST
- Dec 9◑ Last Quarter, 12:39 a.m. EST
- Dec 15● New Moon, 9:06 p.m. EST
- Dec 23◐ First Quarter, 4:45 p.m. EST
- Dec 24Christmas Eve
- Dec 25Christmas Day
- Dec 26Boxing Day (UK)
- Dec 31New Year's Eve
- Dec 31○ Full Moon, 11:48 a.m. EST
December 2028 holidays and observances
| Date | Day | Holiday or observance | Notes |
|---|---|---|---|
| Dec 24 | Sun | Christmas Eve | Observance |
| Dec 25 | Mon | Christmas Day | Federal holiday |
| Dec 26 | Tue | Boxing Day (UK) | UK |
| Dec 31 | Sun | New Year's Eve | Observance |
Dates follow federal rules (a holiday on Saturday is observed Friday, on Sunday the following Monday). UK bank holidays follow standard rules; one-off extra holidays are announced by the government.
Moon phases
| Phase | Date (Eastern) | Time (ET) | Time (UTC) |
|---|---|---|---|
| ○ Full Moon | Friday, December 1 | 8:40 p.m. EST | Dec 02, 01:40 UTC |
| ◑ Last Quarter | Saturday, December 9 | 12:39 a.m. EST | Dec 09, 05:39 UTC |
| ● New Moon | Friday, December 15 | 9:06 p.m. EST | Dec 16, 02:06 UTC |
| ◐ First Quarter | Saturday, December 23 | 4:45 p.m. EST | Dec 23, 21:45 UTC |
| ○ Full Moon | Sunday, December 31 | 11:48 a.m. EST | Dec 31, 16:48 UTC |
Calculated with standard astronomical algorithms; Eastern Time.
Working days
December 2028 has 20 working days in the US: 21 weekdays minus 1 federal holiday on a weekday. Friday, Saturday and Sunday occur five times.
| Weekday | Count |
|---|---|
| Sunday | 5 |
| Monday | 4 |
| Tuesday | 4 |
| Wednesday | 4 |
| Thursday | 4 |
| Friday | 5 |
| Saturday | 5 |
Week numbers
| ISO week | Dates |
|---|---|
| Week 48 | Dec 1 – 3 |
| Week 49 | Dec 4 – 10 |
| Week 50 | Dec 11 – 17 |
| Week 51 | Dec 18 – 24 |
| Week 52 | Dec 25 – 31 |
Printable December 2028 calendar
Free for personal, classroom and office use. See all printable calendars.
Frequently asked questions
How many days are in December 2028?
December 2028 has 31 days. It starts on a Friday and ends on a Sunday.
How many working days are in December 2028?
December 2028 has 20 US working days (21 weekdays minus federal holidays).
What federal holidays are in December 2028?
Christmas Day (Mon, Dec 25).
When is the full moon in December 2028?
The full moon is on Friday, December 1, 2028 at 8:40 p.m. EST. The full moon is on Sunday, December 31, 2028 at 11:48 a.m. EST.
What is the December birthstone and zodiac sign?
The December birthstone is turquoise. People born Dec 1–21 are Sagittarius; those born Dec 22–31 are Capricorn.