| Centuries: | 5th century · 6th century · 7th century |
| Decades: | 560s 570s 580s 590s 600s 610s 620s |
| Years: | 591 592 593 594 595 596 597 |
| 594 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 594 DXCIV |
| Ab urbe condita | 1347 |
| Armenian calendar | 43 ԹՎ ԽԳ |
| Bahá'í calendar | -1250 – -1249 |
| Bengali calendar | 1 |
| Berber calendar | 1544 |
| Buddhist calendar | 1138 |
| Burmese calendar | -44 |
| Byzantine calendar | 6102 – 6103 |
| Chinese calendar | 癸丑年十二月初四日 (3230/3290-12-4) — to —
甲寅年十一月十四日(3231/3291-11-14) |
| Coptic calendar | 310 – 311 |
| Ethiopian calendar | 586 – 587 |
| Hebrew calendar | 4354 – 4355 |
| Hindu calendars | |
| - Bikram Samwat | 650 – 651 |
| - Shaka Samvat | 516 – 517 |
| - Kali Yuga | 3695 – 3696 |
| Holocene calendar | 10594 |
| Iranian calendar | 28 BP – 27 BP |
| Islamic calendar | 29 BH – 28 BH |
| Japanese calendar | |
| Korean calendar | 2927 |
| Thai solar calendar | 1137 |