| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 673 BC DCLXXII BC |
| Ab urbe condita | 81 |
| Ancient Egypt era | XXV dynasty, 80 |
| - Pharaoh | Taharqa, 18 |
| Ancient Greek era | 26th Olympiad, year 4 |
| Assyrian calendar | 4078 |
| Bengali calendar | −1265 |
| Berber calendar | 278 |
| Buddhist calendar | −128 |
| Burmese calendar | −1310 |
| Byzantine calendar | 4836–4837 |
| Chinese calendar |
丁未年 (Fire Goat) 2024 or 1964 — to — 戊申年 (Earth Monkey) 2025 or 1965 |
| Coptic calendar | −956 – −955 |
| Discordian calendar | 494 |
| Ethiopian calendar | −680 – −679 |
| Hebrew calendar | 3088–3089 |
| Hindu calendars | |
| - Vikram Samvat | −616 – −615 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2428–2429 |
| Holocene calendar | 9328 |
| Iranian calendar | 1294 BP – 1293 BP |
| Islamic calendar | 1334 BH – 1333 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1661 |
| Minguo calendar | 2584 before ROC 民前2584年 |
| Nanakshahi calendar | −2140 |
| Thai solar calendar | −130 – −129 |