620 BC

620 BC in various calendars
Gregorian calendar	620 BC; DCXX BC
Ab urbe condita	134
Ancient Egypt era	XXVI dynasty, 45
- Pharaoh	Psamtik I, 45
Ancient Greek era	40th Olympiad (victor)¹
Assyrian calendar	4131
Balinese saka calendar	N/A
Bengali calendar	−1212
Berber calendar	331
Buddhist calendar	−75
Burmese calendar	−1257
Byzantine calendar	4889–4890
Chinese calendar	庚子年 (Metal Rat); 2078 or 1871; — to —; 辛丑年 (Metal Ox); 2079 or 1872
Coptic calendar	−903 – −902
Discordian calendar	547
Ethiopian calendar	−627 – −626
Hebrew calendar	3141–3142
Hindu calendars
- Vikram Samvat	−563 – −562
- Shaka Samvat	N/A
- Kali Yuga	2481–2482
Holocene calendar	9381
Iranian calendar	1241 BP – 1240 BP
Islamic calendar	1279 BH – 1278 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1714
Minguo calendar	2531 before ROC; 民前2531年
Nanakshahi calendar	−2087
Thai solar calendar	−77 – −76
Tibetan calendar	阳金鼠年; (male Iron-Rat); −493 or −874 or −1646; — to —; 阴金牛年; (female Iron-Ox); −492 or −873 or −1645

Millennium:	1st millennium BC
Centuries:	8th century BC; 7th century BC ; 6th century BC;
Decades:	640s BC; 630s BC; 620s BC ; 610s BC; 600s BC;
Years:	623 BC; 622 BC; 621 BC; 620 BC ; 619 BC; 618 BC; 617 BC;

The year 620 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 134 Ab urbe condita . The denomination 620 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	620 BC DCXX BC
Ab urbe condita	134
Ancient Egypt era	XXVI dynasty, 45
- Pharaoh	Psamtik I, 45
Ancient Greek era	40th Olympiad (victor )¹
Assyrian calendar	4131
Balinese saka calendar	N/A
Bengali calendar	−1212
Berber calendar	331
Buddhist calendar	−75
Burmese calendar	−1257
Byzantine calendar	4889–4890
Chinese calendar	庚子年 (Metal Rat) 2078 or 1871 — to — 辛丑年 (Metal Ox) 2079 or 1872
Coptic calendar	−903 – −902
Discordian calendar	547
Ethiopian calendar	−627 – −626
Hebrew calendar	3141–3142
Hindu calendars
- Vikram Samvat	−563 – −562
- Shaka Samvat	N/A
- Kali Yuga	2481–2482
Holocene calendar	9381
Iranian calendar	1241 BP – 1240 BP
Islamic calendar	1279 BH – 1278 BH
Javanese calendar	N/A
Julian calendar	N/A
Korean calendar	1714
Minguo calendar	2531 before ROC 民前2531年
Nanakshahi calendar	−2087
Thai solar calendar	−77 – −76
Tibetan calendar	阳金鼠年 (male Iron-Rat) −493 or −874 or −1646 — to — 阴金牛年 (female Iron-Ox) −492 or −873 or −1645