| Gregorian: | Wednesday, 20 September 2017 |
| Mayan: | Long count = 13.0.4.14.14; tzolkin = 9 Ix; haab = 12 Chen |
| French: | Jour de la Raison de l'Année 225 de la Révolution |
| Islamic: | 28 Dhu al-Hijjah 1438 |
| Hebrew: | 29 Elul 5777 |
| Julian: | 7 September 2017 |
| ISO: | Day 3 of week 38 of 2017 |
| Persian: | 29 Sahrivar 1396 |
| Ethiopic: | 10 Maskaram 2010 |
| Coptic: | 10 Tut 1734 |
| Chinese: | Cycle 78, year 34 (Ding-You), month 8 (Ji-You), day 1 (Geng-Xu) |
| Julian day: | 2458017 |
| Day of year: | Day 263 of 2017; 102 days remaining in the year |
| Discordian: | Pungenday, Bureaucracy 44, Year of Our Lady of Discord 3183 |
