| Centuries: | 4th century · 5th century · 6th century |
| Decades: | 410s 420s 430s 440s 450s 460s 470s |
| Years: | 439 440 441 442 443 444 445 |
| 442 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 442 CDXLII |
| Ab urbe condita | 1195 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1402 – -1401 |
| Bengali calendar | -151 |
| Berber calendar | 1392 |
| Buddhist calendar | 986 |
| Burmese calendar | -196 |
| Byzantine calendar | 5950 – 5951 |
| Chinese calendar | 辛巳年十二月初四日 (3078/3138-12-4) — to —
壬午年十一月十四日(3079/3139-11-14) |
| Coptic calendar | 158 – 159 |
| Ethiopian calendar | 434 – 435 |
| Hebrew calendar | 4202 – 4203 |
| Hindu calendars | |
| - Bikram Samwat | 498 – 499 |
| - Shaka Samvat | 364 – 365 |
| - Kali Yuga | 3543 – 3544 |
| Holocene calendar | 10442 |
| Iranian calendar | 180 BP – 179 BP |
| Islamic calendar | 186 BH – 185 BH |
| Japanese calendar | |
| Korean calendar | 2775 |
| Thai solar calendar | 985 |