648

Millennium:	1st millennium
Centuries:	6th century 7th century 8th century
Decades:	620s 630s 640s 650s 660s
Years:	645 646 647 648 649 650 651

648 in various calendars
Gregorian calendar	648 DCXLVIII
Ab urbe condita	1401
Armenian calendar	97 ԹՎ ՂԷ
Assyrian calendar	5398
Bengali calendar	55
Berber calendar	1598
Buddhist calendar	1192
Burmese calendar	10
Byzantine calendar	6156–6157
Chinese calendar	丁未年 (Fire Goat) 3344 or 3284 — to — 戊申年 (Earth Monkey) 3345 or 3285
Coptic calendar	364–365
Discordian calendar	1814
Ethiopian calendar	640–641
Hebrew calendar	4408–4409
Hindu calendars
- Vikram Samvat	704–705
- Shaka Samvat	569–570
- Kali Yuga	3748–3749
Holocene calendar	10648
Iranian calendar	26–27
Islamic calendar	27–28
Japanese calendar	Taika 4 (大化４年)
Javanese calendar	539–540
Julian calendar	648 DCXLVIII
Korean calendar	2981
Minguo calendar	1264 before ROC 民前1264年
Nanakshahi calendar	−820
Seleucid era	959/960 AG
Thai solar calendar	1190–1191
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Year 648 (DCXLVIII) was a leap year starting on Tuesday (link will display the full calendar) of the Julian calendar. The denomination 648 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.