January 2039 Calendar
Updated November 6, 2026 · Edited by the JanuaryCalendar.com team
January 2039 starts on Saturday, January 1, and ends on Monday, January 31. It has 31 days — 21 weekdays and 10 weekend days — and 20 working days in the US after Martin Luther King Jr. Day (Mon, Jan 17).
Because January 1 falls on a Saturday, the federal New Year's Day holiday is observed on Friday, December 31, 2038.
- Starts
- Saturday
- Ends
- Monday
- Days
- 31
- US working days
- 20
- UK working days
- 20
- Full moon
- Jan 10
January 2039
| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| 1New Year's Day | ||||||
| 2First Quarter | 3 | 4 | 5 | 6Epiphany | 7Orthodox Christmas | 8 |
| 9 | 10Full Moon | 11 | 12 | 13 | 14 | 15 |
| 16 | 17Last QuarterMLK Day | 18 | 19 | 20 | 21 | 22 |
| 23 | 24New MoonLunar New Year | 25 | 26 | 27 | 28 | 29 |
| 30 | 31First Quarter |
- Jan 1New Year's Day
- Jan 2◐ First Quarter, 2:37 a.m. EST
- Jan 6Epiphany (Three Kings Day)
- Jan 7Orthodox Christmas
- Jan 10○ Full Moon, 6:46 a.m. EST
- Jan 17Martin Luther King Jr. Day
- Jan 17◑ Last Quarter, 1:42 p.m. EST
- Jan 24Lunar New Year (Year of the Goat)
- Jan 24● New Moon, 8:36 a.m. EST
- Jan 31◐ First Quarter, 11:45 p.m. EST
January 2039 holidays and observances
| Date | Day | Holiday or observance | Notes |
|---|---|---|---|
| Jan 1 | Sat | New Year's Day | Falls on Saturday; federal offices close Friday, December 31, 2038 |
| Jan 6 | Thu | Epiphany (Three Kings Day) | Religious |
| Jan 7 | Fri | Orthodox Christmas | Religious |
| Jan 14 | Fri | Orthodox New Year | Religious |
| Jan 15 | Sat | Martin Luther King Jr.'s birthday | Cultural |
| Jan 17 | Mon | Martin Luther King Jr. Day | Federal holiday, third Monday |
| Jan 24 | Mon | Lunar New Year (Year of the Goat) | Cultural |
| Jan 25 | Tue | Burns Night | Cultural |
| Jan 26 | Wed | Australia Day | Public holiday (Australia) |
| Jan 26 | Wed | Republic Day | Public holiday (India) |
| Jan 27 | Thu | 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
- Monday, January 10 – Full moon at 6:46 a.m. EST (11:46 UTC)
- Tuesday, January 18 – Q4 2038 estimated tax payment due (IRS deadlines)
- Monday, January 31 – W-2 and 1099-NEC forms due to workers and the IRS/SSA
- Monday, January 31 – UK Self Assessment tax return and payment deadline
Moon phases
| Phase | Date (Eastern) | Time (EST) | Time (UTC) |
|---|---|---|---|
| ◐ First Quarter | Sunday, January 2 | 2:37 a.m. EST | Jan 02, 07:37 UTC |
| ○ Full Moon | Monday, January 10 | 6:46 a.m. EST | Jan 10, 11:46 UTC |
| ◑ Last Quarter | Monday, January 17 | 1:42 p.m. EST | Jan 17, 18:42 UTC |
| ● New Moon | Monday, January 24 | 8:36 a.m. EST | Jan 24, 13:36 UTC |
| ◐ First Quarter | Monday, January 31 | 11:45 p.m. EST | Feb 01, 04:45 UTC |
Times calculated for Eastern Standard Time (UTC−5). About the Wolf Moon.
Week numbers
| ISO week | Dates in January | Days |
|---|---|---|
| Week 52 of 2038 | January 1 – 2 | Sat – Sun |
| Week 1 | January 3 – 9 | Mon – Sun |
| Week 2 | January 10 – 16 | Mon – Sun |
| Week 3 | January 17 – 23 | Mon – Sun |
| Week 4 | January 24 – 30 | Mon – Sun |
| Week 5 | January 31 | Mon |
ISO 8601 weeks start on Monday. How week numbers work.
Working days and weekdays
January 2039 has 20 working days in the United States (21 weekdays minus federal holidays on weekdays) and 20 in England and Wales. Monday, Saturday and Sunday occur five times; every other weekday occurs four times.
| Weekday | Times in January 2039 |
|---|---|
| Sunday | 5 |
| Monday | 5 |
| Tuesday | 4 |
| Wednesday | 4 |
| Thursday | 4 |
| Friday | 4 |
| Saturday | 5 |
Same calendar as January 2039
January always has 31 days, so any January that starts on a Saturday has the same layout. January 2039 matches January 2000, 2005, 2011, 2022, 2028, 2033, 2050. 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.
Printable January 2039 calendar

Frequently asked questions
What day does January 2039 start on?
January 2039 starts on a Saturday and ends on a Monday, January 31.
How many working days are in January 2039?
January 2039 has 20 working days in the US and 20 in England and Wales, out of 21 weekdays.
When is MLK Day in 2039?
Martin Luther King Jr. Day falls on Monday, January 17, 2039, the third Monday of January.
Is January 1, 2039 a federal holiday?
Yes. New Year's Day is a US federal holiday. Because it falls on a Saturday, federal offices are closed on Friday, December 31, 2038.
When is the full moon in January 2039?
The full moon occurs on Monday, January 10, 2039 at 6:46 a.m. EST (11:46 UTC).
Which weekdays occur five times in January 2039?
Monday, Saturday and Sunday each occur five times in January 2039.
2039 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