| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
.jpg)
.jpg)
| 1609 by topic |
|---|
| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Works category |
| Gregorian calendar | 1609 MDCIX |
| Ab urbe condita | 2362 |
| Armenian calendar | 1058 ԹՎ ՌԾԸ |
| Assyrian calendar | 6359 |
| Balinese saka calendar | 1530–1531 |
| Bengali calendar | 1016 |
| Berber calendar | 2559 |
| English Regnal year | 6 Ja. 1 – 7 Ja. 1 |
| Buddhist calendar | 2153 |
| Burmese calendar | 971 |
| Byzantine calendar | 7117–7118 |
| Chinese calendar | 戊申年 (Earth Monkey) 4306 or 4099 — to — 己酉年 (Earth Rooster) 4307 or 4100 |
| Coptic calendar | 1325–1326 |
| Discordian calendar | 2775 |
| Ethiopian calendar | 1601–1602 |
| Hebrew calendar | 5369–5370 |
| Hindu calendars | |
| - Vikram Samvat | 1665–1666 |
| - Shaka Samvat | 1530–1531 |
| - Kali Yuga | 4709–4710 |
| Holocene calendar | 11609 |
| Igbo calendar | 609–610 |
| Iranian calendar | 987–988 |
| Islamic calendar | 1017–1018 |
| Japanese calendar | Keichō 14 (慶長１４年) |
| Javanese calendar | 1529–1530 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 3942 |
| Minguo calendar | 303 before ROC 民前303年 |
| Nanakshahi calendar | 141 |
| Thai solar calendar | 2151–2152 |
| Tibetan calendar | 阳土猴年 (male Earth-Monkey) 1735 or 1354 or 582 — to — 阴土鸡年 (female Earth-Rooster) 1736 or 1355 or 583 |
1609 (MDCIX) was a common year starting on Thursday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1609th year of the Common Era (CE) and Anno Domini (AD) designations, the 609th year of the 2nd millennium, the 9th year of the 17th century, and the 10th and last year of the 1600s decade. As of the start of 1609, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.