Millennium: | 1st millennium BC |
---|---|
Centuries: | 2nd century BC – 1st century BC – 1st century |
Decades: | 50s BC 40s BC 30s BC – 20s BC – 10s BC 0s BC 0s |
Years: | 23 BC 22 BC 21 BC – 20 BC – 19 BC 18 BC 17 BC |
Gregorian calendar | 20 BC XIX BC |
Ab urbe condita | 734 |
Ancient Greek era | 190th Olympiad (victor)¹ |
Assyrian calendar | 4731 |
Balinese saka calendar | N/A |
Bengali calendar | −612 |
Berber calendar | 931 |
Buddhist calendar | 525 |
Burmese calendar | −657 |
Byzantine calendar | 5489–5490 |
Chinese calendar | 庚子年 (Metal Rat) 2677 or 2617 — to — 辛丑年 (Metal Ox) 2678 or 2618 |
Coptic calendar | −303 – −302 |
Discordian calendar | 1147 |
Ethiopian calendar | −27 – −26 |
Hebrew calendar | 3741–3742 |
Hindu calendars | |
- Vikram Samvat | 37–38 |
- Shaka Samvat | N/A |
- Kali Yuga | 3081–3082 |
Holocene calendar | 9981 |
Iranian calendar | 641 BP – 640 BP |
Islamic calendar | 661 BH – 660 BH |
Javanese calendar | N/A |
Julian calendar | 20 BC XIX BC |
Korean calendar | 2314 |
Minguo calendar | 1931 before ROC 民前1931年 |
Nanakshahi calendar | −1487 |
Seleucid era | 292/293 AG |
Thai solar calendar | 523–524 |
Tibetan calendar | 阳金鼠年 (male Iron-Rat) 107 or −274 or −1046 — to — 阴金牛年 (female Iron-Ox) 108 or −273 or −1045 |
Year 20 BC was either a common year starting on Wednesday or Thursday or a leap year starting on Tuesday, Wednesday or Thursday of the Julian calendar. At the time, it was known as the Year of the Consulship of Appuleius and Nerva.