1604 (MDCIV) was a leap year starting on Thursday of the Gregorian calendar and a leap year starting on Sunday of the Julian calendar, the 1604th year of the Common Era (CE) and Anno Domini (AD) designations, the 604th year of the 2nd millennium, the 4th year of the 17th century, and the 5th year of the 1600s decade. As of the start of 1604, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.

Millennium: 2nd millennium
Centuries: 16th century17th century18th century
Decades: 1570s  1580s  1590s  – 1600s –  1610s  1620s  1630s
Years: 1601 1602 160316041605 1606 1607
1604 in other calendars
Gregorian calendar1604
MDCIV
Ab urbe condita2357
Armenian calendar1053
ԹՎ ՌԾԳ
Assyrian calendar6354
Balinese saka calendar1525–1526
Bengali calendar1011
Berber calendar2554
English Regnal yearJa. 1 – 2 Ja. 1
Buddhist calendar2148
Burmese calendar966
Byzantine calendar7112–7113
Chinese calendar癸卯(Water Rabbit)
4300 or 4240
    — to —
甲辰年 (Wood Dragon)
4301 or 4241
Coptic calendar1320–1321
Discordian calendar2770
Ethiopian calendar1596–1597
Hebrew calendar5364–5365
Hindu calendars
 - Vikram Samvat1660–1661
 - Shaka Samvat1525–1526
 - Kali Yuga4704–4705
Holocene calendar11604
Igbo calendar604–605
Iranian calendar982–983
Islamic calendar1012–1013
Japanese calendarKeichō 9
(慶長9年)
Javanese calendar1524–1525
Julian calendarGregorian minus 10 days
Korean calendar3937
Minguo calendar308 before ROC
民前308年
Nanakshahi calendar136
Thai solar calendar2146–2147
Tibetan calendar阴水兔年
(female Water-Rabbit)
1730 or 1349 or 577
    — to —
阳木龙年
(male Wood-Dragon)
1731 or 1350 or 578

Events

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