31 BC

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Millennium: 1st millennium BC
Centuries: 2nd century BC1st century BC1st century
Decades: 60s BC  50s BC  40s BC  – 30s BC –  20s BC  10s BC  0s BC
Years: 34 BC 33 BC 32 BC31 BC30 BC 29 BC 28 BC
31 BC in various calendars
Gregorian calendar 31 BC
XXX BC
Ab urbe condita 723
Ancient Egypt era XXXIII dynasty, 293
- Pharaoh Cleopatra VII, 21
Ancient Greek era 187th Olympiad, year 2
Assyrian calendar 4720
Balinese saka calendar N/A
Bengali calendar −623
Berber calendar 920
Buddhist calendar 514
Burmese calendar −668
Byzantine calendar 5478–5479
Chinese calendar 己丑(Earth Ox)
2666 or 2606
    — to —
庚寅年 (Metal Tiger)
2667 or 2607
Coptic calendar −314 – −313
Discordian calendar 1136
Ethiopian calendar −38 – −37
Hebrew calendar 3730–3731
Hindu calendars
 - Vikram Samvat 26–27
 - Shaka Samvat N/A
 - Kali Yuga 3070–3071
Holocene calendar 9970
Iranian calendar 652 BP – 651 BP
Islamic calendar 672 BH – 671 BH
Javanese calendar N/A
Julian calendar 31 BC
XXX BC
Korean calendar 2303
Minguo calendar 1942 before ROC
民前1942年
Nanakshahi calendar −1498
Seleucid era 281/282 AG
Thai solar calendar 512–513
Tibetan calendar 阴土牛年
(female Earth-Ox)
96 or −285 or −1057
    — to —
阳金虎年
(male Iron-Tiger)
97 or −284 or −1056

Year 31 BC was either a common year starting on Tuesday, Wednesday or Thursday or a leap year starting on Tuesday or Wednesday of the Julian calendar. At the time, it was known as the Year of the Consulship of Antonius and Octavianus.

Events[change | change source]