| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 633 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 633 DCXXXIII |
| Ab urbe condita | 1386 |
| Armenian calendar | 82 ԹՎ ՁԲ |
| Assyrian calendar | 5383 |
| Balinese saka calendar | 554–555 |
| Bengali calendar | 40 |
| Berber calendar | 1583 |
| Buddhist calendar | 1177 |
| Burmese calendar | −5 |
| Byzantine calendar | 6141–6142 |
| Chinese calendar | 壬辰年 (Water Dragon) 3330 or 3123 — to — 癸巳年 (Water Snake) 3331 or 3124 |
| Coptic calendar | 349–350 |
| Discordian calendar | 1799 |
| Ethiopian calendar | 625–626 |
| Hebrew calendar | 4393–4394 |
| Hindu calendars | |
| - Vikram Samvat | 689–690 |
| - Shaka Samvat | 554–555 |
| - Kali Yuga | 3733–3734 |
| Holocene calendar | 10633 |
| Iranian calendar | 11–12 |
| Islamic calendar | 11–12 |
| Japanese calendar | N/A |
| Javanese calendar | 523–524 |
| Julian calendar | 633 DCXXXIII |
| Korean calendar | 2966 |
| Minguo calendar | 1279 before ROC 民前1279年 |
| Nanakshahi calendar | −835 |
| Seleucid era | 944/945 AG |
| Thai solar calendar | 1175–1176 |
| Tibetan calendar | 阳水龙年 (male Water-Dragon) 759 or 378 or −394 — to — 阴水蛇年 (female Water-Snake) 760 or 379 or −393 |
Year 633 (DCXXXIII) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. The denomination 633 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.