| Millennium: | 1st millennium |
|---|---|
| Centuries: | 6th century – 7th century – 8th century |
| Decades: | 610s 620s 630s – 640s – 650s 660s 670s |
| Years: | 646 647 648 – 649 – 650 651 652 |
| 649 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 649 DCXLIX |
| Ab urbe condita | 1402 |
| Armenian calendar | 98 ԹՎ ՂԸ |
| Assyrian calendar | 5399 |
| Bahá'í calendar | -1195–-1194 |
| Bengali calendar | 56 |
| Berber calendar | 1599 |
| English Regnal year | N/A |
| Buddhist calendar | 1193 |
| Burmese calendar | 11 |
| Byzantine calendar | 6157–6158 |
| Chinese calendar | 戊申年十二月十三日 (3285/3345-12-13) — to —
己酉年十一月廿二日(3286/3346-11-22) |
| Coptic calendar | 365–366 |
| Ethiopian calendar | 641–642 |
| Hebrew calendar | 4409–4410 |
| Hindu calendars | |
| - Vikram Samvat | 705–706 |
| - Shaka Samvat | 571–572 |
| - Kali Yuga | 3750–3751 |
| Holocene calendar | 10649 |
| Iranian calendar | 27–28 |
| Islamic calendar | 28–29 |
| Japanese calendar | |
| Korean calendar | 2982 |
| Minguo calendar | 1263 before ROC 民前1263年 |
| Thai solar calendar | 1192 |
Year 649 (DCXLIX) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar. The denomination 649 for this year has been used since the early medieval period, when the Anno Domini calendar era became the prevalent method in Europe for naming years.