23 is a year in the 1st century. It was a common year starting on Friday of the Julian calendar. At the time, it was known as the Year of the Consulship of Pollio and Vetus.

Millennium: 1st millennium
Centuries: 1st century BC1st century2nd century
Decades: 0s BC  0s  10s  – 20s –  30s  40s  50s
Years: 20 21 222324 25 26
AD 23 in other calendars
Gregorian calendarAD 23
XXIII
Ab urbe condita776
Assyrian calendar4773
Balinese saka calendarN/A
Bengali calendar−570
Berber calendar973
Buddhist calendar567
Burmese calendar−615
Byzantine calendar5531–5532
Chinese calendar壬午(Water Horse)
2719 or 2659
    — to —
癸未年 (Water Goat)
2720 or 2660
Coptic calendar−261 – −260
Discordian calendar1189
Ethiopian calendar15–16
Hebrew calendar3783–3784
Hindu calendars
 - Vikram Samvat79–80
 - Shaka SamvatN/A
 - Kali Yuga3123–3124
Holocene calendar10023
Iranian calendar599 BP – 598 BP
Islamic calendar617 BH – 616 BH
Javanese calendarN/A
Julian calendarAD 23
XXIII
Korean calendar2356
Minguo calendar1889 before ROC
民前1889年
Nanakshahi calendar−1445
Seleucid era334/335 AG
Thai solar calendar565–566
Tibetan calendar阳水马年
(male Water-Horse)
149 or −232 or −1004
    — to —
阴水羊年
(female Water-Goat)
150 or −231 or −1003

Events change

Roman Empire change

Asia change

Births change

Deaths change