Lunar Calendar Month October 2020 (Japan)

The Moon is the only natural satellite of the Earth and the fifth largest moon in the Solar System. It is the largest natural satellite in the solar system relative to the size of its planet. The following is information specific for Tokyo, Japan during October 2020.

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Date and time of moon phases

The information in the following table comes from calculations published by the Astronomical Applications Department of the U.S. Naval Observatory.

Moon phases	Dates	Time
full moon	2020-10-02	06:05
3rd quarter	2020-10-10	09:39
new moon	2020-10-17	04:31
1st quarter	2020-10-23	22:23
full moon	2020-10-31	23:49

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during October 2020.

Position	Dates	Time	Distance
Apogee	2020-10-04	02:24	406,319 km
Perigee	2020-10-17	08:48	356,912 km
Apogee	2020-10-31	03:47	406,392 km

Moon-Planet Conjunctions

A Moon-planet conjunction occurs when an astronomical object has either the same, or nearly the same, right ascension or the same ecliptic longitude of that of the Moon, as observed from Earth.

Astronomical Objects	Date and Time
Mars	2020-10-03 12:21
Beehive	2020-10-11 21:27
Venus	2020-10-14 08:57
Jupiter	2020-10-23 02:10
Saturn	2020-10-23 12:49
Mars	2020-10-30 01:13

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of October 2020.

October 2020
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 40	28Monday	29Tuesday	30Wednesday	1Thursday 98.5% illuminated Age:13.6	2Friday 99.9% illuminated Age:14.5	3Saturday 99.5% illuminated Age:15.4	4Sunday 97.3% illuminated Age:16.3
Week 41	5Monday 93.4% illuminated Age:17.2	6Tuesday 87.9% illuminated Age:18.1	7Wednesday 81% illuminated Age:19	8Thursday 72.9% illuminated Age:19.9	9Friday 63.8% illuminated Age:20.8	10Saturday 54% illuminated Age:21.8	11Sunday 43.7% illuminated Age:22.7
Week 42	12Monday 33.3% illuminated Age:23.7	13Tuesday 23.4% illuminated Age:24.8	14Wednesday 14.5% illuminated Age:25.9	15Thursday 7.2% illuminated Age:27	16Friday 2.2% illuminated Age:28.1	17Saturday 0.1% illuminated Age:29.3	18Sunday 1% illuminated Age:0.9
Week 43	19Monday 4.9% illuminated Age:2.1	20Tuesday 11.4% illuminated Age:3.2	21Wednesday 19.9% illuminated Age:4.4	22Thursday 29.7% illuminated Age:5.4	23Friday 40.2% illuminated Age:6.5	24Saturday 50.7% illuminated Age:7.4	25Sunday 60.9% illuminated Age:8.4
Week 44	26Monday 70.4% illuminated Age:9.4	27Tuesday 78.9% illuminated Age:10.3	28Wednesday 86.2% illuminated Age:11.2	29Thursday 92.1% illuminated Age:12.1	30Friday 96.4% illuminated Age:13	31Saturday 99.1% illuminated Age:13.9	1Sunday
	2Monday	3Tuesday	4Wednesday	5Thursday	6Friday	7Saturday	8Sunday
	9Monday	10Tuesday	11Wednesday	12Thursday	13Friday	14Saturday	15Sunday