| Millennium: | 1st Millennium BC |
|---|---|
| Centuries: | 9th cent. BC – 8th cent. BC – 7th cent. BC |
| Decades: | 810s BC 800s BC 790s BC – 780s BC – 770s BC 760s BC 750s BC |
| Years: | 786 BC 785 BC 784 BC – 783 BC – 782 BC 781 BC 780 BC |
| Gregorian calendar | 783 DCCLXXXIII |
| Ab urbe condita | 1536 |
| Armenian calendar | 232 ԹՎ ՄԼԲ |
| Assyrian calendar | 5533 |
| Bengali calendar | 190 |
| Berber calendar | 1733 |
| Buddhist calendar | 1327 |
| Burmese calendar | 145 |
| Byzantine calendar | 6291–6292 |
| Chinese calendar | 壬戌年 (Water Dog) 3479 or 3419 — to — 癸亥年 (Water Pig) 3480 or 3420 |
| Coptic calendar | 499–500 |
| Discordian calendar | 1949 |
| Ethiopian calendar | 775–776 |
| Hebrew calendar | 4543–4544 |
| Hindu calendars | |
| - Vikram Samvat | 839–840 |
| - Shaka Samvat | 704–705 |
| - Kali Yuga | 3883–3884 |
| Holocene calendar | 10783 |
| Iranian calendar | 161–162 |
| Islamic calendar | 166–167 |
| Japanese calendar | Enryaku 2 (延暦２年) |
| Javanese calendar | 678–679 |
| Julian calendar | 783 DCCLXXXIII |
| Korean calendar | 3116 |
| Minguo calendar | 1129 before ROC 民前1129年 |
| Nanakshahi calendar | −685 |
| Seleucid era | 1094/1095 AG |
| Thai solar calendar | 1325–1326 |
The year 783 BC