January 2023 Calendar
Updated November 6, 2026 · Edited by the JanuaryCalendar.com team
January 2023 started on Sunday, January 1, and ended on Tuesday, January 31. It had 31 days — 22 weekdays and 9 weekend days — and 20 working days in the US after New Year's Day (observed Mon, Jan 2) and Martin Luther King Jr. Day (Mon, Jan 16).
Because January 1 fell on a Sunday, the federal holiday was observed on Monday, January 2.
- Starts
- Sunday
- Ends
- Tuesday
- Days
- 31
- US working days
- 20
- UK working days
- 21
- Full moon
- Jan 6
January 2023
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| 1New Year's Day | 2 | 3 | 4 | 5 | 6Full MoonEpiphany | 7Orthodox Christmas |
| 8 | 9 | 10 | 11 | 12 | 13 | 14Last Quarter |
| 15 | 16MLK Day | 17 | 18 | 19 | 20 | 21New Moon |
| 22Lunar New Year | 23 | 24 | 25 | 26 | 27 | 28First Quarter |
| 29 | 30 | 31 |
- Jan 1New Year's Day
- Jan 6Epiphany (Three Kings Day)
- Jan 6○ Full Moon, 6:08 p.m. EST
- Jan 7Orthodox Christmas
- Jan 14◑ Last Quarter, 9:10 p.m. EST
- Jan 16Martin Luther King Jr. Day
- Jan 21● New Moon, 3:53 p.m. EST
- Jan 22Lunar New Year (Year of the Rabbit)
- Jan 28◐ First Quarter, 10:19 a.m. EST
January 2023 holidays and observances
| Date | Day | Holiday or observance | Notes |
|---|---|---|---|
| Jan 1 | Sun | New Year's Day | Falls on Sunday; observed Monday, January 2 |
| Jan 6 | Fri | Epiphany (Three Kings Day) | Religious |
| Jan 7 | Sat | Orthodox Christmas | Religious |
| Jan 14 | Sat | Orthodox New Year | Religious |
| Jan 15 | Sun | Martin Luther King Jr.'s birthday | Cultural |
| Jan 16 | Mon | Martin Luther King Jr. Day | Federal holiday, third Monday |
| Jan 22 | Sun | Lunar New Year (Year of the Rabbit) | Cultural |
| Jan 25 | Wed | Burns Night | Cultural |
| Jan 26 | Thu | Australia Day | Public holiday (Australia) |
| Jan 26 | Thu | Republic Day | Public holiday (India) |
| Jan 27 | Fri | International Holocaust Remembrance Day | UN observance |
See January bank holidays for the UK, Canada, Australia and New Zealand, and national days for daily observances.
Key dates
- Friday, January 6 – Full moon at 6:08 p.m. EST (23:08 UTC)
- Friday, January 13 – Friday the 13th
- Tuesday, January 17 – Q4 2022 estimated tax payment due (IRS deadlines)
- Tuesday, January 31 – W-2 and 1099-NEC forms due to workers and the IRS/SSA
- Tuesday, January 31 – UK Self Assessment tax return and payment deadline
Moon phases
| Phase | Date (Eastern) | Time (EST) | Time (UTC) |
|---|---|---|---|
| ○ Full Moon | Friday, January 6 | 6:08 p.m. EST | Jan 06, 23:08 UTC |
| ◑ Last Quarter | Saturday, January 14 | 9:10 p.m. EST | Jan 15, 02:10 UTC |
| ● New Moon | Saturday, January 21 | 3:53 p.m. EST | Jan 21, 20:53 UTC |
| ◐ First Quarter | Saturday, January 28 | 10:19 a.m. EST | Jan 28, 15:19 UTC |
Times calculated for Eastern Standard Time (UTC−5). About the Wolf Moon.
Week numbers
| ISO week | Dates in January | Days |
|---|---|---|
| Week 52 of 2022 | January 1 | Sun |
| Week 1 | January 2 – 8 | Mon – Sun |
| Week 2 | January 9 – 15 | Mon – Sun |
| Week 3 | January 16 – 22 | Mon – Sun |
| Week 4 | January 23 – 29 | Mon – Sun |
| Week 5 | January 30 – 31 | Mon – Tue |
ISO 8601 weeks start on Monday. How week numbers work.
Working days and weekdays
January 2023 had 20 working days in the United States (22 weekdays minus federal holidays on weekdays) and 21 in England and Wales. Monday, Tuesday and Sunday occurred five times; every other weekday occurred four times.
| Weekday | Times in January 2023 |
|---|---|
| Sunday | 5 |
| Monday | 5 |
| Tuesday | 5 |
| Wednesday | 4 |
| Thursday | 4 |
| Friday | 4 |
| Saturday | 4 |
Same calendar as January 2023
January always has 31 days, so any January that starts on a Sunday has the same layout. January 2023 matches January 2006, 2012, 2017, 2034, 2040, 2045. A printed calendar from any of those years can be reused for January — but check holidays such as MLK Day, which always lands on the third Monday.
January 2023 in history
- On January 1, 2023, Croatia adopted the euro as its currency and joined the Schengen Area.
- On January 7, 2023, Kevin McCarthy was elected Speaker of the US House of Representatives on the 15th ballot.
- On January 8, 2023, supporters of former president Jair Bolsonaro stormed Brazil's National Congress, Supreme Federal Court and presidential palace in Brasília.
- On January 19, 2023, the United States reached its statutory debt limit, and the Treasury Department began using extraordinary measures to keep paying its bills.
Printable January 2023 calendar
Frequently asked questions
What day does January 2023 start on?
January 2023 started on a Sunday and ended on a Tuesday, January 31.
How many working days are in January 2023?
January 2023 had 20 working days in the US and 21 in England and Wales, out of 22 weekdays.
When is MLK Day in 2023?
Martin Luther King Jr. Day fell on Monday, January 16, 2023, the third Monday of January.
Is January 1, 2023 a federal holiday?
Yes. New Year's Day is a US federal holiday. Because it fell on a Sunday, the holiday was observed on Monday, January 2.
When is the full moon in January 2023?
The full moon occurred on Friday, January 6, 2023 at 6:08 p.m. EST (23:08 UTC).
Which weekdays occur five times in January 2023?
Monday, Tuesday and Sunday each occurred five times in January 2023.
2023 calendar by month
January calendars for other years
- 2020Starts Wednesday
- 2021Starts Friday
- 2022Starts Saturday
- 2023Starts Sunday
- 2024Starts Monday
- 2025Starts Wednesday
- 2026Starts Thursday
- 2027Starts Friday
- 2028Starts Saturday
- 2029Starts Monday
- 2030Starts Tuesday
- 2031Starts Wednesday
- 2032Starts Thursday
- 2033Starts Saturday
- 2034Starts Sunday
- 2035Starts Monday
- 2036Starts Tuesday
- 2037Starts Thursday
- 2038Starts Friday
- 2039Starts Saturday
- 2040Starts Sunday