| Millennium: | 1st Millennium |
|---|---|
| Centuries: | 2nd cent. – 3rd cent. – 4th cent. |
| Decades: | 250s 260s 270s – 280s – 290s 300s 310s |
| Years: | 283 284 285 – 286 – 287 288 289 |
| Gregorian calendar | 286 CCLXXXVI |
| Ab urbe condita | 1039 |
| Assyrian calendar | 5036 |
| Bengali calendar | −307 |
| Berber calendar | 1236 |
| Buddhist calendar | 830 |
| Burmese calendar | −352 |
| Byzantine calendar | 5794–5795 |
| Chinese calendar | 乙巳年 (Wood Snake) 2982 or 2922 — to — 丙午年 (Fire Horse) 2983 or 2923 |
| Coptic calendar | 2–3 |
| Discordian calendar | 1452 |
| Ethiopian calendar | 278–279 |
| Hebrew calendar | 4046–4047 |
| Hindu calendars | |
| - Vikram Samvat | 342–343 |
| - Shaka Samvat | 207–208 |
| - Kali Yuga | 3386–3387 |
| Holocene calendar | 10286 |
| Iranian calendar | 336 BP – 335 BP |
| Islamic calendar | 346 BH – 345 BH |
| Javanese calendar | 166–167 |
| Julian calendar | 286 CCLXXXVI |
| Korean calendar | 2619 |
| Minguo calendar | 1626 before ROC 民前1626年 |
| Nanakshahi calendar | −1182 |
| Seleucid era | 597/598 AG |
| Thai solar calendar | 828–829 |
The year 286 BC