| Years |
|---|
| Millennium |
| 1st millennium |
| Centuries |
| Decades |
| Years |
| 334 by topic |
|---|
| Arts, history, and science |
| Countries |
|
|
| Lists of leaders |
| Birth and death categories |
| Establishments and disestablishments categories |
| Works category |
| Gregorian calendar | 334 CCCXXXIV |
| Ab urbe condita | 1087 |
| Assyrian calendar | 5084 |
| Balinese saka calendar | 255–256 |
| Bengali calendar | −259 |
| Berber calendar | 1284 |
| Buddhist calendar | 878 |
| Burmese calendar | −304 |
| Byzantine calendar | 5842–5843 |
| Chinese calendar | 癸巳年 (Water Snake) 3030 or 2970 — to — 甲午年 (Wood Horse) 3031 or 2971 |
| Coptic calendar | 50–51 |
| Discordian calendar | 1500 |
| Ethiopian calendar | 326–327 |
| Hebrew calendar | 4094–4095 |
| Hindu calendars | |
| - Vikram Samvat | 390–391 |
| - Shaka Samvat | 255–256 |
| - Kali Yuga | 3434–3435 |
| Holocene calendar | 10334 |
| Iranian calendar | 288 BP – 287 BP |
| Islamic calendar | 297 BH – 296 BH |
| Javanese calendar | 215–216 |
| Julian calendar | 334 CCCXXXIV |
| Korean calendar | 2667 |
| Minguo calendar | 1578 before ROC 民前1578年 |
| Nanakshahi calendar | −1134 |
| Seleucid era | 645/646 AG |
| Thai solar calendar | 876–877 |
| Tibetan calendar | ཆུ་མོ་སྦྲུལ་ལོ་ (female Water-Snake) 460 or 79 or −693 — to — ཤིང་ཕོ་རྟ་ལོ་ (male Wood-Horse) 461 or 80 or −692 |
334 (CCCXXXIV) was a common year starting on Tuesday of the Julian calendar, the 334th year of the Common Era (CE) and Anno Domini (AD) designations, the 334th year of the 1st millennium, the 34th year of the 4th century, and the 5th year of the 330s decade. As of the start of 334, the Gregorian calendar was 1 day ahead of the Julian calendar, which was the dominant calendar of the time.