| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 681 BC DCLXXX BC |
| Ab urbe condita | 73 |
| Ancient Egypt era | XXV dynasty, 72 |
| - Pharaoh | Taharqa, 10 |
| Ancient Greek era | 24th Olympiad, year 4 |
| Assyrian calendar | 4070 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1273 |
| Berber calendar | 270 |
| Buddhist calendar | −136 |
| Burmese calendar | −1318 |
| Byzantine calendar | 4828–4829 |
| Chinese calendar |
己亥年 (Earth Pig) 2016 or 1956 — to — 庚子年 (Metal Rat) 2017 or 1957 |
| Coptic calendar | −964 – −963 |
| Discordian calendar | 486 |
| Ethiopian calendar | −688 – −687 |
| Hebrew calendar | 3080–3081 |
| Hindu calendars | |
| - Vikram Samvat | −624 – −623 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2420–2421 |
| Holocene calendar | 9320 |
| Iranian calendar | 1302 BP – 1301 BP |
| Islamic calendar | 1342 BH – 1341 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1653 |
| Minguo calendar | 2592 before ROC 民前2592年 |
| Nanakshahi calendar | −2148 |
| Thai solar calendar | −138 – −137 |
| Tibetan calendar | 阴土猪年 (female Earth-Pig) −554 or −935 or −1707 — to — 阳金鼠年 (male Iron-Rat) −553 or −934 or −1706 |