| Gregorian: | Wednesday, 1 December 2021 |
| Mayan: | Long count = 13.0.9.1.7; tzolkin = 8 Manik; haab = 5 Mac |
| French: | 11 Frimaire an 230 de la Révolution |
| Islamic: | 25 Rabi II 1443 |
| Hebrew: | 27 Kislev 5782 |
| Julian: | 18 November 2021 |
| ISO: | Day 3 of week 48 of 2021 |
| Persian: | 10 Azar 1400 |
| Ethiopic: | 22 Khedar 2014 |
| Coptic: | 22 Hatur 1738 |
| Chinese: | Cycle 78, year 38 (Xin-Chou), month 10 (Ji-Hai), day 27 (Gui-Wei) |
| Julian day: | 2459550 |
| Day of year: | Day 335 of 2021; 30 days remaining in the year |
| Discordian: | Setting Orange, The Aftermath 43, Year of Our Lady of Discord 3187 |
