670

670 in various calendars
Gregorian calendar	670; DCLXX
Ab urbe condita	1423
Armenian calendar	119; ԹՎ ՃԺԹ
Assyrian calendar	5420
Balinese saka calendar	591–592
Bengali calendar	76–77
Berber calendar	1620
Buddhist calendar	1214
Burmese calendar	32
Byzantine calendar	6178–6179
Chinese calendar	己巳年 (Earth Snake); 3367 or 3160; — to —; 庚午年 (Metal Horse); 3368 or 3161
Coptic calendar	386–387
Discordian calendar	1836
Ethiopian calendar	662–663
Hebrew calendar	4430–4431
Hindu calendars
- Vikram Samvat	726–727
- Shaka Samvat	591–592
- Kali Yuga	3770–3771
Holocene calendar	10670
Iranian calendar	48–49
Islamic calendar	49–50
Japanese calendar	Hakuchi 21; (白雉２１年)
Javanese calendar	561–562
Julian calendar	670; DCLXX
Korean calendar	3003
Minguo calendar	1242 before ROC; 民前1242年
Nanakshahi calendar	−798
Seleucid era	981/982 AG
Thai solar calendar	1212–1213
Tibetan calendar	ས་མོ་སྦྲུལ་ལོ་; (female Earth-Snake); 796 or 415 or −357; — to —; ལྕགས་ཕོ་རྟ་ལོ་; (male Iron-Horse); 797 or 416 or −356

Year 670 (DCLXX) was a common year starting on Tuesday of the Julian calendar, the 670th year of the Common Era (CE) and Anno Domini (AD) designations, the 670th year of the 1st millennium, the 70th year of the 7th century, and the 1st year of the 670s decade. The denomination 670 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.

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