303 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
303 BC in various calendars
Gregorian calendar303 BC
CCCIII BC
Ab urbe condita451
Ancient Egypt eraXXXIII dynasty, 21
- PharaohPtolemy I Soter, 21
Ancient Greek era119th Olympiad, year 2
Assyrian calendar4448
Balinese saka calendarN/A
Bengali calendar−895
Berber calendar648
Buddhist calendar242
Burmese calendar−940
Byzantine calendar5206–5207
Chinese calendar丁巳年 (Fire Snake)
2395 or 2188
    — to —
戊午年 (Earth Horse)
2396 or 2189
Coptic calendar−586 – −585
Discordian calendar864
Ethiopian calendar−310 – −309
Hebrew calendar3458–3459
Hindu calendars
 - Vikram Samvat−246 – −245
 - Shaka SamvatN/A
 - Kali Yuga2798–2799
Holocene calendar9698
Iranian calendar924 BP – 923 BP
Islamic calendar952 BH – 951 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar2031
Minguo calendar2214 before ROC
民前2214年
Nanakshahi calendar−1770
Seleucid era9/10 AG
Thai solar calendar240–241
Tibetan calendar阴火蛇年
(female Fire-Snake)
−176 or −557 or −1329
    — to —
阳土马年
(male Earth-Horse)
−175 or −556 or −1328

Year 303 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Lentulus and Aventinensis (or, less frequently, year 451 Ab urbe condita). The denomination 303 BC 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.