1609

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.

1609 in other calendars

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) 4305 or 4245     — to — 己酉年 (Earth Rooster) 4306 or 4246
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	ས་ཕོ་སྤྲེ་ལོ་ (male Earth-Monkey) 1735 or 1354 or 582     — to — ས་མོ་བྱ་ལོ་ (female Earth-Bird) 1736 or 1355 or 583

Events

• September 2-Henry Hudson enters New York Bay
• Lake Champlain was named for the French explorer Samuel de Champlain.