| Millennium: | 1st millennium BC |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 609 BC by topic |
| Politics |
|---|
| Categories |
| Gregorian calendar | 609 BC DCIX BC |
| Ab urbe condita | 145 |
| Ancient Egypt era | XXVI dynasty, 56 |
| - Pharaoh | Necho II, 2 |
| Ancient Greek era | 42nd Olympiad, year 4 |
| Assyrian calendar | 4142 |
| Balinese saka calendar | N/A |
| Bengali calendar | −1201 |
| Berber calendar | 342 |
| Buddhist calendar | −64 |
| Burmese calendar | −1246 |
| Byzantine calendar | 4900–4901 |
| Chinese calendar | 辛亥年 (Metal Pig) 2089 or 1882 — to — 壬子年 (Water Rat) 2090 or 1883 |
| Coptic calendar | −892 – −891 |
| Discordian calendar | 558 |
| Ethiopian calendar | −616 – −615 |
| Hebrew calendar | 3152–3153 |
| Hindu calendars | |
| - Vikram Samvat | −552 – −551 |
| - Shaka Samvat | N/A |
| - Kali Yuga | 2492–2493 |
| Holocene calendar | 9392 |
| Iranian calendar | 1230 BP – 1229 BP |
| Islamic calendar | 1268 BH – 1267 BH |
| Javanese calendar | N/A |
| Julian calendar | N/A |
| Korean calendar | 1725 |
| Minguo calendar | 2520 before ROC 民前2520年 |
| Nanakshahi calendar | −2076 |
| Thai solar calendar | −66 – −65 |
| Tibetan calendar | 阴金猪年 (female Iron-Pig) −482 or −863 or −1635 — to — 阳水鼠年 (male Water-Rat) −481 or −862 or −1634 |
The year 609 BC was a year of the pre-Julian Roman calendar. In the Roman Empire, it was known as year 145 Ab urbe condita . The denomination 609 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.