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January 2024 Calendar

January 2024 has 31 days, 23 of them working days once Saturdays and Sundays are removed. Week numbers follow ISO 8601, which gives a week to the year that owns its Thursday — that is why 1 January can fall in week 53 of the year before. Marked days: New Year's Day, Martin Luther King Jr. Day. The ones that move are placed by a rule, printed beside each date.

Holiday rules and week numbering checked · How we check

31 days, 23 of them working days. The number down the left is the ISO week; public holidays are not deducted, because which ones apply depends on where you are.

January31 days, 23 working
wkMoTuWeThFrSaSu
11234567
2891011121314
315161718192021
422232425262728
52930311234

How many of each day

Every month holds four of every weekday and then two or three days over. Which weekdays get the extra one is the only thing separating this month from any other of the same length — and it is what decides a five-payday month for anyone paid weekly.

How many of each weekday this month holds
MonTueWedThuFriSatSun
5554444
  • Monday, Tuesday, Wednesday come round five times; every other day four.
  • It opens on a Monday and closes on a Wednesday, covering ISO weeks 1 to 5 in quarter 1.
  • Day 1 to day 31 of 2024, leaving 335 days in the year after it.
  • The identical grid returns in 2007, 2018, 2029 and 2035 — same starting weekday, same length, so a wall calendar from one of those years hangs again unchanged.

Marked days in January 2024

Underlined in the grid above. Each one links to the count of days until it and the rule that places it, because half of these are not on a fixed date at all.

New Year's Day Mon, January 1, 2024

Martin Luther King Jr. Day Mon, January 15, 2024

Which day does the week start on?

Laid out Monday first, as ISO weeks are.

Show it Sunday first

What do the week numbers mean?

The number down the left of each row is the ISO 8601 week, which runs Monday to Sunday and belongs to the year that owns its Thursday. January 2024 covers weeks 1 to 5. Every week of 2024, numbered.

Other months of 2024

Other years

Questions people actually ask

How many days does January 2024 have?
31, of which 23 are working days once Saturdays and Sundays are removed and 8 are weekend days. Public holidays are not deducted from that figure, because which ones apply depends on where you are — New Year's Day, Martin Luther King Jr. Day fall in this month.
How many Mondays, Tuesdays, Wednesdays are in January 2024?
Five of each — Monday, Tuesday, Wednesday come round a fifth time where every other weekday comes four. That is what separates this month from any other of the same length, and for anyone paid weekly it is the difference between four cheques and five.
What week number is January 2024?
It spans ISO weeks 1 to 5. An ISO week runs Monday to Sunday and belongs to the year that owns its Thursday, which is why the first days of January can carry week 53 of the year before. The US business convention of numbering from 1 January gives different answers, and payroll systems disagree about which one they mean.
What day of the week does January 2024 start on?
A Monday, and it ends on a Wednesday. It runs from day 1 to day 31 of the year, leaving 335 days after it.

Sources