AD 80
| Millennium: | 1st millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | AD 80 LXXX |
| Ab urbe condita | 833 |
| Assyrian calendar | 4830 |
| Bengali calendar | −513 |
| Berber calendar | 1030 |
| Buddhist calendar | 624 |
| Burmese calendar | −558 |
| Byzantine calendar | 5588–5589 |
| Chinese calendar |
己卯年 (Earth Rabbit) 2776 or 2716 — to — 庚辰年 (Metal Dragon) 2777 or 2717 |
| Coptic calendar | −204 – −203 |
| Discordian calendar | 1246 |
| Ethiopian calendar | 72–73 |
| Hebrew calendar | 3840–3841 |
| Hindu calendars | |
| - Vikram Samvat | 136–137 |
| - Shaka Samvat | 1–2 |
| - Kali Yuga | 3180–3181 |
| Holocene calendar | 10080 |
| Iranian calendar | 542 BP – 541 BP |
| Islamic calendar | 559 BH – 558 BH |
| Javanese calendar | N/A |
| Julian calendar | AD 80 LXXX |
| Korean calendar | 2413 |
| Minguo calendar | 1832 before ROC 民前1832年 |
| Nanakshahi calendar | −1388 |
| Seleucid era | 391/392 AG |
| Thai solar calendar | 622–623 |
AD 80 (LXXX) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the Consulship of Augustus and Domitianus (or, less frequently, year 833 Ab urbe condita). The denomination AD 80 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.
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