550 BC

550 BC in various calendars
Gregorian calendar	550 BC; DL BC
Ab urbe condita	204
Ancient Egypt era	XXVI dynasty, 115
- Pharaoh	Amasis II, 21
Ancient Greek era	57th Olympiad, year 3
Assyrian calendar	4201
Balinese saka calendar	N/A
Bengali calendar	−1142
Berber calendar	401
Buddhist calendar	−5
Burmese calendar	−1187
Byzantine calendar	4959–4960
Chinese calendar	庚戌年 (Metal Dog); 2148 or 1941; — to —; 辛亥年 (Metal Pig); 2149 or 1942
Coptic calendar	−833 – −832
Discordian calendar	617
Ethiopian calendar	−557 – −556
Hebrew calendar	3211–3212
Hindu calendars
- Vikram Samvat	−493 – −492
- Shaka Samvat	N/A
- Kali Yuga	2551–2552
Holocene calendar	9451
Iranian calendar	1171 BP – 1170 BP
Islamic calendar	1207 BH – 1206 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1784
Minguo calendar	2461 before ROC; 民前2461年
Nanakshahi calendar	−2017
Thai solar calendar	−7 – −6
Tibetan calendar	阳金狗年; (male Iron-Dog); −423 or −804 or −1576; — to —; 阴金猪年; (female Iron-Pig); −422 or −803 or −1575

Millennium:	1st millennium BC
Centuries:	7th century BC; 6th century BC ; 5th century BC;
Decades:	570s BC; 560s BC; 550s BC ; 540s BC; 530s BC;
Years:	553 BC; 552 BC; 551 BC; 550 BC ; 549 BC; 548 BC; 547 BC;

The year 550 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 204 Ab urbe condita. The denomination 550 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.

Gregorian calendar	550 BC DL BC
Ab urbe condita	204
Ancient Egypt era	XXVI dynasty, 115
- Pharaoh	Amasis II, 21
Ancient Greek era	57th Olympiad, year 3
Assyrian calendar	4201
Balinese saka calendar	N/A
Bengali calendar	−1142
Berber calendar	401
Buddhist calendar	−5
Burmese calendar	−1187
Byzantine calendar	4959–4960
Chinese calendar	庚戌年 (Metal Dog) 2148 or 1941 — to — 辛亥年 (Metal Pig) 2149 or 1942
Coptic calendar	−833 – −832
Discordian calendar	617
Ethiopian calendar	−557 – −556
Hebrew calendar	3211–3212
Hindu calendars
- Vikram Samvat	−493 – −492
- Shaka Samvat	N/A
- Kali Yuga	2551–2552
Holocene calendar	9451
Iranian calendar	1171 BP – 1170 BP
Islamic calendar	1207 BH – 1206 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1784
Minguo calendar	2461 before ROC 民前2461年
Nanakshahi calendar	−2017
Thai solar calendar	−7 – −6
Tibetan calendar	阳金狗年 (male Iron-Dog) −423 or −804 or −1576 — to — 阴金猪年 (female Iron-Pig) −422 or −803 or −1575