December 20, 1638

Dec. 1638

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Monday, December 20, 1638
Japanese calendar: Reiwa -380
Old calendar: November 16, 1638 友引 (Tomobiki)

72 pentads	鮭魚群Sake no uo muragaru (さけのうおむらがる)
Twenty-eight mansions	心shin (しん)
The 12 words used to mark the old calendar	開Hiraku (ひらく)

	Year sexagenary cycle	Month sexagenary cycle	Day sexagenary cycle
Koyomi-tsuki	Tsuchinoe-tora つちのえとら戊寅	Kinotono-ushi きのとのうし乙丑	Kinoe-inu きのえいぬ甲戌
Fushi-tsuki	Tsuchinoe-tora つちのえとら戊寅	Kinoe-ne きのえね甲子	Kinoe-inu きのえいぬ甲戌

Age of the moon	Moon
14.59

Today (September 5, 2025) is 141243.01318287 days after December 20, 1638. (First day as day 0)

From December 20, 1638 to YEAR MONTH DAY

The start date is not included included

From YEAR MONTH DAY to December 20, 1638

The start date is not included included

The day before, December 20, 1638	The next day, December 20, 1638
Date before one month(November 20, 1638)	Date after one month(January 20, 1639)
December 20 one year ago	December 20 after one year

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	Year sexagenary cycle	Month sexagenary cycle	Day sexagenary cycle
Koyomi-tsuki	Tsuchinoe-tora つちのえとら戊寅	Kinotono-ushi きのとのうし乙丑	Kinoe-inu きのえいぬ甲戌
Fushi-tsuki	Tsuchinoe-tora つちのえとら戊寅	Kinoe-ne きのえね甲子	Kinoe-inu きのえいぬ甲戌

December 20, 1638 Japanese calendar, old calendar, six basic labels, moon age, etc.