| Millennium: | 1st Millennium |
|---|---|
| Centuries: | 6th cent. – 7th cent. – 8th cent. |
| Decades: | 620s 630s 640s – 650s – 660s 670s 680s |
| Years: | 647 648 649 – 650 – 651 652 653 |
| Gregorian calendar | 650 DCL |
| Ab urbe condita | 1403 |
| Armenian calendar | 99 ԹՎ ՂԹ |
| Assyrian calendar | 5400 |
| Bengali calendar | 57 |
| Berber calendar | 1600 |
| Buddhist calendar | 1194 |
| Burmese calendar | 12 |
| Byzantine calendar | 6158–6159 |
| Chinese calendar | 己酉年 (Earth Rooster) 3346 or 3286 — to — 庚戌年 (Metal Dog) 3347 or 3287 |
| Coptic calendar | 366–367 |
| Discordian calendar | 1816 |
| Ethiopian calendar | 642–643 |
| Hebrew calendar | 4410–4411 |
| Hindu calendars | |
| - Vikram Samvat | 706–707 |
| - Shaka Samvat | 571–572 |
| - Kali Yuga | 3750–3751 |
| Holocene calendar | 10650 |
| Iranian calendar | 28–29 |
| Islamic calendar | 29–30 |
| Japanese calendar | Taika 6 / Hakuchi 1 (白雉元年) |
| Javanese calendar | 541–542 |
| Julian calendar | 650 DCL |
| Korean calendar | 2983 |
| Minguo calendar | 1262 before ROC 民前1262年 |
| Nanakshahi calendar | −818 |
| Seleucid era | 961/962 AG |
| Thai solar calendar | 1192–1193 |
The year 650 BC