551 BC

Millennium: 1st millennium BC
Centuries:
Decades:
Years:
551 BC in various calendars
Gregorian calendar551 BC
DLI BC
Ab urbe condita203
Ancient Egypt eraXXVI dynasty, 114
- PharaohAmasis II, 20
Ancient Greek era57th Olympiad, year 2
Assyrian calendar4200
Balinese saka calendarN/A
Bengali calendar−1143
Berber calendar400
Buddhist calendar−6
Burmese calendar−1188
Byzantine calendar4958–4959
Chinese calendar己酉年 (Earth Rooster)
2147 or 1940
    — to —
庚戌年 (Metal Dog)
2148 or 1941
Coptic calendar−834 – −833
Discordian calendar616
Ethiopian calendar−558 – −557
Hebrew calendar3210–3211
Hindu calendars
 - Vikram Samvat−494 – −493
 - Shaka SamvatN/A
 - Kali Yuga2550–2551
Holocene calendar9450
Iranian calendar1172 BP – 1171 BP
Islamic calendar1208 BH – 1207 BH
Javanese calendarN/A
Julian calendarN/A
Korean calendar1783
Minguo calendar2462 before ROC
民前2462年
Nanakshahi calendar−2018
Thai solar calendar−8 – −7
Tibetan calendar阴土鸡年
(female Earth-Rooster)
−424 or −805 or −1577
    — to —
阳金狗年
(male Iron-Dog)
−423 or −804 or −1576

The year 551 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 203 Ab urbe condita. The denomination 551 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.