| Gregorian: | Wednesday, 22 May 2013 |
| Mayan: | Long count = 13.0.0.7.12; tzolkin = 13 Eb; haab = 10 Zip |
| French: | 3 Prairial an 221 de la Révolution |
| Islamic: | 12 Rajab 1434 |
| Hebrew: | 13 Sivan 5773 |
| Julian: | 9 May 2013 |
| ISO: | Day 3 of week 21 of 2013 |
| Persian: | 1 Xordad 1392 |
| Ethiopic: | 14 Genbot 2005 |
| Coptic: | 14 Bashans 1729 |
| Chinese: | Cycle 78, year 30 (Gui-Si), month 4 (Ding-Si), day 13 (Wu-Zi) |
| Julian day: | 2456435 |
| Day of year: | Day 142 of 2013; 223 days remaining in the year |
| Discordian: | Boomtime, Discord 69, Year of Our Lady of Discord 3179 |