Lunar Calendar Month October 2018 (United States)

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 Washington, District of Columbia, United States during October 2018.

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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
3rd quarter	2018-10-02	05:45
new moon	2018-10-08	23:47
1st quarter	2018-10-16	14:02
full moon	2018-10-24	12:45
3rd quarter	2018-10-31	12:40

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during October 2018.

Position	Dates	Time	Distance
Perigee	2018-10-05	18:31	366,395 km
Apogee	2018-10-17	15:18	404,225 km
Perigee	2018-10-31	16:06	370,200 km

Meteor Activity

Active meteor showers this month and their peak days. For more information, see the meteor shower calendar 2018.

Name	Peak Day
Oct. Camelopardalids	2018-10-06
Draconids	2018-10-09
S. Taurids	2018-10-10
δ-Aurigids	2018-10-11
ε-Geminids	2018-10-18
Orionids	2018-10-21
Leonis Minorids	2018-10-24

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
Beehive	2018-10-04 05:51
Regulus	2018-10-05 17:58
Jupiter	2018-10-11 17:21
Saturn	2018-10-14 23:01
Mars	2018-10-18 09:01
Aldebaran	2018-10-27 09:04
Beehive	2018-10-31 11:24

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of October 2018.

October 2018
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 40	1Monday 63.9% illuminated Age:20.8	2Tuesday 52.8% illuminated Age:21.9	3Wednesday 41.5% illuminated Age:23	4Thursday 30.4% illuminated Age:24	5Friday 20.3% illuminated Age:25.1	6Saturday 11.7% illuminated Age:26.2	7Sunday 5.2% illuminated Age:27.4
Week 41	8Monday 1.3% illuminated Age:28.5	9Tuesday 0% illuminated Age:0	10Wednesday 1.3% illuminated Age:1.1	11Thursday 5% illuminated Age:2.1	12Friday 10.6% illuminated Age:3.1	13Saturday 17.8% illuminated Age:4.1	14Sunday 26.1% illuminated Age:5
Week 42	15Monday 35.1% illuminated Age:6	16Tuesday 44.4% illuminated Age:6.9	17Wednesday 53.9% illuminated Age:7.7	18Thursday 63.2% illuminated Age:8.6	19Friday 72% illuminated Age:9.5	20Saturday 80.2% illuminated Age:10.4	21Sunday 87.3% illuminated Age:11.3
Week 43	22Monday 93.2% illuminated Age:12.3	23Tuesday 97.4% illuminated Age:13.2	24Wednesday 99.7% illuminated Age:14.2	25Thursday 99.8% illuminated Age:15.2	26Friday 97.5% illuminated Age:16.3	27Saturday 92.9% illuminated Age:17.3	28Sunday 86.1% illuminated Age:18.4
Week 44	29Monday 77.4% illuminated Age:19.4	30Tuesday 67.2% illuminated Age:20.5	31Wednesday 56.1% illuminated Age:21.6	1Thursday	2Friday	3Saturday	4Sunday
	5Monday	6Tuesday	7Wednesday	8Thursday	9Friday	10Saturday	11Sunday
	12Monday	13Tuesday	14Wednesday	15Thursday	16Friday	17Saturday	18Sunday