647 BC
| Years |
|---|
| Millennium |
| 1st millennium BC |
| Centuries |
| Decades |
| Years |
| 647 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 647 BC DCXLVII BC |
| Ab urbe condita | 107 |
| Ancient Egypt era | XXVI dynasty, 18 |
| - Pharaoh | Psamtik I, 18 |
| Ancient Greek Olympiad (summer) | 33rd Olympiad, year 2 |
| Assyrian calendar | 4104 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1240 – −1239 |
| Berber calendar | 304 |
| Buddhist calendar | −102 |
| Burmese calendar | −1284 |
| Byzantine calendar | 4862–4863 |
| Chinese calendar | 癸酉年 (Water Rooster) 2051 or 1844 — to — 甲戌年 (Wood Dog) 2052 or 1845 |
| 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 |
The year 647 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 107 Ab urbe condita . The denomination 647 BC 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.