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| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 305 by topic |
|---|
| Leaders |
| Categories |
| Gregorian calendar | 305 CCCV |
| Ab urbe condita | 1058 |
| Assyrian calendar | 5055 |
| Balinese saka calendar | 226–227 |
| Bengali calendar | −288 |
| Berber calendar | 1255 |
| Buddhist calendar | 849 |
| Burmese calendar | −333 |
| Byzantine calendar | 5813–5814 |
| Chinese calendar | 甲子年 (Wood Rat) 3002 or 2795 — to — 乙丑年 (Wood Ox) 3003 or 2796 |
| Coptic calendar | 21–22 |
| Discordian calendar | 1471 |
| Ethiopian calendar | 297–298 |
| Hebrew calendar | 4065–4066 |
| Hindu calendars | |
| - Vikram Samvat | 361–362 |
| - Shaka Samvat | 226–227 |
| - Kali Yuga | 3405–3406 |
| Holocene calendar | 10305 |
| Iranian calendar | 317 BP – 316 BP |
| Islamic calendar | 327 BH – 326 BH |
| Javanese calendar | 185–186 |
| Julian calendar | 305 CCCV |
| Korean calendar | 2638 |
| Minguo calendar | 1607 before ROC 民前1607年 |
| Nanakshahi calendar | −1163 |
| Seleucid era | 616/617 AG |
| Thai solar calendar | 847–848 |
| Tibetan calendar | 阳木鼠年 (male Wood-Rat) 431 or 50 or −722 — to — 阴木牛年 (female Wood-Ox) 432 or 51 or −721 |
Year 305 (CCCV) was a common year starting on Monday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Constantius and Valerius (or, less frequently, year 1058 Ab urbe condita). The denomination 305 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.