Lunar Calendar Month July 2017 (Mongolia)

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 Ulan Bator, Mongolia during July 2017.

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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
1st quarter	2017-07-01	09:51
full moon	2017-07-09	13:06
3rd quarter	2017-07-17	04:26
new moon	2017-07-23	18:45
1st quarter	2017-07-31	00:23

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during July 2017.

Position	Dates	Time	Distance	Notes
Apogee	2017-07-06	13:28	405,932 km
Perigee	2017-07-22	02:11	361,236 km

Meteor Activity

Active meteor showers this month and their peak days. For more information, see the meteor shower calendar 2017.

Name	Peak Day
α-Capricornids	2017-07-30
S. δ-Aquariids	2017-07-30
Piscis Austr.	2017-07-28

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
Jupiter	2017-07-01 16:28
Saturn	2017-07-07 12:34
Aldebaran	2017-07-20 08:37
Venus	2017-07-20 20:13
Mercury	2017-07-25 17:49
Regulus	2017-07-25 19:14
Jupiter	2017-07-29 05:15

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of July 2017.

July 2017
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 26	26Monday	27Tuesday	28Wednesday	29Thursday	30Friday	1Saturday 45.9% illuminated Age:7	2Sunday 56% illuminated Age:7.9
Week 27	3Monday 65.5% illuminated Age:8.9	4Tuesday 74.4% illuminated Age:9.8	5Wednesday 82.2% illuminated Age:10.7	6Thursday 88.8% illuminated Age:11.6	7Friday 94.1% illuminated Age:12.5	8Saturday 97.8% illuminated Age:13.4	9Sunday 99.7% illuminated Age:14.3
Week 28	10Monday 99.8% illuminated Age:15.2	11Tuesday 98% illuminated Age:16.1	12Wednesday 94.3% illuminated Age:17	13Thursday 88.8% illuminated Age:18	14Friday 81.5% illuminated Age:18.9	15Saturday 72.8% illuminated Age:19.9	16Sunday 62.8% illuminated Age:20.9
Week 29	17Monday 52% illuminated Age:22	18Tuesday 40.8% illuminated Age:23	19Wednesday 29.9% illuminated Age:24.1	20Thursday 19.7% illuminated Age:25.2	21Friday 11.1% illuminated Age:26.3	22Saturday 4.7% illuminated Age:27.5	23Sunday 0.9% illuminated Age:28.6
Week 30	24Monday 0.1% illuminated Age:0.2	25Tuesday 2.1% illuminated Age:1.4	26Wednesday 6.6% illuminated Age:2.4	27Thursday 13.3% illuminated Age:3.5	28Friday 21.4% illuminated Age:4.5	29Saturday 30.5% illuminated Age:5.5	30Sunday 40.1% illuminated Age:6.4
Week 31	31Monday 49.9% illuminated Age:7.4	1Tuesday	2Wednesday	3Thursday	4Friday	5Saturday	6Sunday
	7Monday	8Tuesday	9Wednesday	10Thursday	11Friday	12Saturday	13Sunday