663

Millennium: 1st millennium
Centuries:
Decades:
Years:
663 in various calendars
Gregorian calendar663
DCLXIII
Ab urbe condita1416
Armenian calendar112
ԹՎ ՃԺԲ
Assyrian calendar5413
Balinese saka calendar584–585
Bengali calendar70
Berber calendar1613
Buddhist calendar1207
Burmese calendar25
Byzantine calendar6171–6172
Chinese calendar壬戌年 (Water Dog)
3360 or 3153
    — to —
癸亥年 (Water Pig)
3361 or 3154
Coptic calendar379–380
Discordian calendar1829
Ethiopian calendar655–656
Hebrew calendar4423–4424
Hindu calendars
 - Vikram Samvat719–720
 - Shaka Samvat584–585
 - Kali Yuga3763–3764
Holocene calendar10663
Iranian calendar41–42
Islamic calendar42–43
Japanese calendarHakuchi 14
(白雉14年)
Javanese calendar554–555
Julian calendar663
DCLXIII
Korean calendar2996
Minguo calendar1249 before ROC
民前1249年
Nanakshahi calendar−805
Seleucid era974/975 AG
Thai solar calendar1205–1206
Tibetan calendar阳水狗年
(male Water-Dog)
789 or 408 or −364
    — to —
阴水猪年
(female Water-Pig)
790 or 409 or −363
"Danfeng Gate" of the Daming Palace (China)

Year 663 (DCLXIII) was a common year starting on Sunday (link will display the full calendar) of the Julian calendar. The denomination 663 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.