Click on the January holidays listed in blue for more details.
| Holidays | Date | Details |
|---|---|---|
| New Year's Day 2023 | Jan 1 - Sunday | Federal Holiday |
| World Braille Day 2023 | Jan 4 - Wednesday | Global |
| Epiphany 2023 | Jan 6 - Friday | Christian |
| International Programmers Day 2023 | Jan 7 - Saturday | Global |
| Orthodox Christmas Day 2023 | Jan 7 - Saturday | Orthodox |
| Stephen Foster Memorial Day 2023 | Jan 13 - Friday | Observance |
| Orthodox New Year 2023 | Jan 14 - Saturday | Orthodox |
| Makar Sankranti 2023 | Jan 14 - Saturday | Hindu |
| World Religion Day 2023 | Jan 15 - Sunday | Global |
| Martin Luther King Day 2023 | Jan 16 - Monday | Federal Holiday |
| Chinese New Year 2023 | Jan 22 - Sunday | Observance |
| International Customs Day 2023 | Jan 26 - Thursday | Global |
