| Gregorian: | Monday, 20 January 2020 |
| Mayan: | Long count = 13.0.7.3.6; tzolkin = 3 Cimi; haab = 14 Muan |
| French: | 1 Pluviôse an 228 de la Révolution |
| Islamic: | 24 Jumada I 1441 |
| Hebrew: | 23 Teveth 5780 |
| Julian: | 7 January 2020 |
| ISO: | Day 1 of week 4 of 2020 |
| Persian: | 30 Dey 1398 |
| Ethiopic: | 11 Ter 2012 |
| Coptic: | 11 Tubah 1736 |
| Chinese: | Cycle 78, year 36 (Ji-Hai), month 12 (Ding-Chou), day 26 (Ren-Xu) |
| Julian day: | 2458869 |
| Day of year: | Day 20 of 2020; 346 days remaining in the year |
| Discordian: | Setting Orange, Chaos 20, Year of Our Lady of Discord 3186 |
