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January 2027 Calendar

January 2027 has 31 days, starting on a Friday and ending on a Sunday. It spans ISO weeks 53–4, with 21 weekdays and 10 weekend days — and 5 public holidays across the 12 countries listed below.

2027 overview

January 2027 month grid

January 2027

W MonTueWedThuFriSatSun
53 28 29 30 31 1 New Year's Day 2 3
1 4 5 6 7 New Moon 20:25 UTC 8 9 10
2 11 Coming of Age Day 12 13 14 15 First Quarter 20:35 UTC 16 17
3 18 Martin Luther King Jr. Day 19 20 21 22 Full Moon 12:18 UTC 23 24
4 25 26 Australia Day · Republic Day 27 28 29 Last Quarter 10:56 UTC 30 31
5 1 2 3 4 5 6 7

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

Public holidays in January 2027

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
Australia Day Australia
Republic Day India

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

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

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 2027 at a glance

Days
31
Weekdays
21
Weekend days
10
ISO weeks
53–4
Day of year
1–31 of 365
Quarter
Q1
Days left in 2027 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 2027: common questions

How many working days are there in January 2027?

January 2027 has 21 weekdays (Monday to Friday) and 10 weekend days. In the United States, New Year's Day (Fri, Jan 1) and Martin Luther King Jr. Day (Mon, Jan 18) fall in the month, leaving 19 working days. In the United Kingdom, New Year's Day (Fri, Jan 1) leaves 20 working days (UK-wide bank holidays only; England, Scotland and Northern Ireland each add their own).

What week numbers are in January 2027?

January 2027 covers ISO weeks 53, 1, 2, 3, 4. ISO weeks start on Monday, so January 1, a Friday, falls in week 53, the last week of 2026's ISO year.

When is the full moon in January 2027?

Friday, January 22 at 12:18 UTC. The new moon is on Thursday, January 7.

What day of the week does January 2027 start on?

January 2027 starts on a Friday and ends on a Sunday (the 31st). It runs from day 1 to day 31 of the year.

Other months in 2027

January in other years