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January 2025 Calendar

January 2025 has 31 days, starting on a Wednesday and ending on a Friday. It spans ISO weeks 1–5, with 23 weekdays and 8 weekend days — and 5 public holidays across the 12 countries listed below.

2025 overview

January 2025 month grid

January 2025

W MonTueWedThuFriSatSun
1 30 31 1 New Year's Day 2 3 4 5
2 6 First Quarter 23:57 UTC 7 8 9 10 11 12
3 13 Coming of Age Day · Full Moon 22:27 UTC 14 15 16 17 18 19
4 20 Martin Luther King Jr. Day 21 Last Quarter 20:31 UTC 22 23 24 25 26 Republic Day
5 27 Australia Day 28 29 New Moon 12:36 UTC 30 31 1 2
6 3 4 5 6 7 8 9

12 public holiday 🌑 🌓 🌕 🌗 moon phase (UTC date) W = ISO week

Public holidays in January 2025

DateHolidayObserved in
New Year's Day US, UK, Canada, Australia, Ireland, Germany, France, Japan, Brazil, Mexico, South Africa
Coming of Age Day Japan
Martin Luther King Jr. Day US
Republic Day India
Australia Day Australia

National holidays only, from the open-source date-holidays dataset. States, provinces and regions add their own — see each country's holiday page for the full list and observances.

Moon phases

  • First Quarter
  • Full Moon
  • Last Quarter
  • New Moon

Times are shown in your time zone when JavaScript is on, UTC otherwise; near midnight the local date can differ. For moonrise and moonset see the moon pages for New York, London or Sydney.

January 2025 at a glance

Days
31
Weekdays
23
Weekend days
8
ISO weeks
1–5
Day of year
1–31 of 365
Quarter
Q1
Days left in 2025 after the 31st
334
Friday the 13th
No

The name: Named after Janus, the Roman god of doorways and beginnings.

Working days by country

Monday–Friday minus national public holidays that fall on a weekday. Regional holidays are not subtracted.

Need a span that crosses months? Use the date and time calculator.

January 2025: common questions

How many working days are there in January 2025?

January 2025 has 23 weekdays (Monday to Friday) and 8 weekend days. In the United States, New Year's Day (Wed, Jan 1) and Martin Luther King Jr. Day (Mon, Jan 20) fall in the month, leaving 21 working days. In the United Kingdom, New Year's Day (Wed, Jan 1) leaves 22 working days (UK-wide bank holidays only; England, Scotland and Northern Ireland each add their own).

What week numbers are in January 2025?

January 2025 covers ISO weeks 1, 2, 3, 4, 5. ISO weeks start on Monday, so January 1, a Wednesday, falls in week 1.

When is the full moon in January 2025?

Monday, January 13 at 22:27 UTC. The new moon is on Wednesday, January 29.

What day of the week does January 2025 start on?

January 2025 starts on a Wednesday and ends on a Friday (the 31st). It runs from day 1 to day 31 of the year.

Other months in 2025

January in other years