AD 83 (LXXXIII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. At the time, it was known as the Year of the ConsulshipofAugustus and Quintus Petillius Rufus (or, less frequently, year 836 Ab urbe condita). The denomination AD 83 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.
| Millennium: | 1st millennium |
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| Centuries: |
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| Decades: |
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| Years: |
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| Gregorian calendar | AD 83 LXXXIII |
| Ab urbe condita | 836 |
| Assyrian calendar | 4833 |
| Balinese saka calendar | 4–5 |
| Bengali calendar | −510 |
| Berber calendar | 1033 |
| Buddhist calendar | 627 |
| Burmese calendar | −555 |
| Byzantine calendar | 5591–5592 |
| Chinese calendar | 壬午年 (Water Horse) 2780 or 2573 — to — 癸未年 (Water Goat) 2781 or 2574 |
| Coptic calendar | −201 – −200 |
| Discordian calendar | 1249 |
| Ethiopian calendar | 75–76 |
| Hebrew calendar | 3843–3844 |
| Hindu calendars | |
| - Vikram Samvat | 139–140 |
| - Shaka Samvat | 4–5 |
| - Kali Yuga | 3183–3184 |
| Holocene calendar | 10083 |
| Iranian calendar | 539 BP – 538 BP |
| Islamic calendar | 556 BH – 555 BH |
| Javanese calendar | N/A |
| Julian calendar | AD 83 LXXXIII |
| Korean calendar | 2416 |
| Minguo calendar | 1829 before ROC 民前1829年 |
| Nanakshahi calendar | −1385 |
| Seleucid era | 394/395 AG |
| Thai solar calendar | 625–626 |
| Tibetan calendar | 阳水马年 (male Water-Horse) 209 or −172 or −944 — to — 阴水羊年 (female Water-Goat) 210 or −171 or −943 |