January 2027 at a glance
January 2027 has 31 days. It starts on a Friday and ends on a Sunday, with 21 weekdays and 10 weekend days (5 Saturdays and 5 Sundays). It covers ISO week 53 of 2026, then weeks 1 to 4, and days 1 to 31 of the year.
Week by week
Week 53 runs from Mon, Dec 28 to Sun, Jan 3; week 1 from Mon, Jan 4 to Sun, Jan 10; week 2 from Mon, Jan 11 to Sun, Jan 17; week 3 from Mon, Jan 18 to Sun, Jan 24; week 4 from Mon, Jan 25 to Sun, Jan 31. By the end of January, 31 days of 2027 have gone by (8%) and 334 remain. January is part of the first quarter (Q1), which has 61 working days in all.
Holidays in January 2027
- Friday, January 1: New Year’s Day
- Monday, January 18: Martin Luther King Jr. Day
Counting Monday to Friday, January 2027 has 19 working days: 21 weekdays minus 2 federal holidays on a weekday. It brings long weekends thanks to New Year’s Day (Friday, January 1) and Martin Luther King Jr. Day (Monday, January 18).
Moon, seasons and clocks
Moon phases in Eastern Time: new moon on Thursday, January 7 at 3:24 PM, first quarter on Friday, January 15 at 3:35 PM, full moon on Friday, January 22 at 7:17 AM and last quarter on Friday, January 29 at 5:56 AM. The full moon of January 22 is traditionally called the Wolf Moon.
| Key date | Day |
|---|---|
| New Year’s Day (federal holiday) | Fri, Jan 1 |
| New moon | Thu, Jan 7 |
| First quarter | Fri, Jan 15 |
| Martin Luther King Jr. Day (federal holiday) | Mon, Jan 18 |
| Full moon (Wolf Moon) | Fri, Jan 22 |
| Last quarter | Fri, Jan 29 |
About January
January is the month to set up the year: block vacation days around the long weekends, note birthdays and renewal dates, and check how many working days each quarter holds. The evenings are already getting longer: sunset has been moving later every day since early December.
December 2026 · February 2027 · 2027 calendar · US holidays 2027 · week number today · moon calendar for January 2027