| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| Gregorian calendar | 647 BC DCXLVI BC |
| Ab urbe condita | 107 |
| Ancient Egypt era | XXVI dynasty, 18 |
| - Pharaoh | Psamtik I, 18 |
| Ancient Greek era | 33rd Olympiad, year 2 |
| Assyrian calendar | 4104 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1239 |
| Berber calendar | 304 |
| Buddhist calendar | −102 |
| Burmese calendar | −1284 |
| Byzantine calendar | 4862–4863 |
| Chinese calendar |
癸酉年 (Water Rooster) 2050 or 1990 — to — 甲戌年 (Wood Dog) 2051 or 1991 |
| Coptic calendar | −930 – −929 |
| Discordian calendar | 520 |
| Ethiopian calendar | −654 – −653 |
| Hebrew calendar | 3114–3115 |
| Hindu calendars | |
| - Vikram Samvat | −590 – −589 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2454–2455 |
| Holocene calendar | 9354 |
| Iranian calendar | 1268 BP – 1267 BP |
| Islamic calendar | 1307 BH – 1306 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1687 |
| Minguo calendar | 2558 before ROC 民前2558年 |
| Nanakshahi calendar | −2114 |
| Thai solar calendar | −104 – −103 |
| Tibetan calendar | 阴水鸡年 (female Water-Rooster) −520 or −901 or −1673 — to — 阳木狗年 (male Wood-Dog) −519 or −900 or −1672 |