Lunar Calendar Month July 2018 (Guam)

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 Hagåtña, Guam during July 2018.

Choose a country from the list to get relevant information:

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	2018-07-06	17:51
new moon	2018-07-13	12:48
1st quarter	2018-07-20	05:52
full moon	2018-07-28	06:20

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance	Notes
Perigee	2018-07-13	18:30	357,431 km
Apogee	2018-07-27	15:45	406,222 km

Eclipses in July 2018

The following is information about eclipses occuring worldwide during July 2018. The eclipses listed here may be totally visible, partly visible or not visible in any part of Guam.

Type	Dates	Saros	Notes
solar eclipse	2018-07-13	117
lunar eclipse	2018-07-28	129	Central total eclipse (Moon's center passes north of shadow axis)

Meteor Activity

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

Name	Peak Day
Piscis Austr.	2018-07-28
S. δ-Aquariids	2018-07-30
α-Capricornids	2018-07-30

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
Aldebaran	2018-07-10 19:30
Mercury	2018-07-15 08:04
Regulus	2018-07-16 02:14
Venus	2018-07-16 13:31
Jupiter	2018-07-21 09:57
Saturn	2018-07-25 16:10

Illumination of the Moon

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

July 2018
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 26	25Monday	26Tuesday	27Wednesday	28Thursday	29Friday	30Saturday	1Sunday 95% illuminated Age:16.9
Week 27	2Monday 90% illuminated Age:17.8	3Tuesday 83.6% illuminated Age:18.7	4Wednesday 75.9% illuminated Age:19.6	5Thursday 67.1% illuminated Age:20.5	6Friday 57.5% illuminated Age:21.4	7Saturday 47.3% illuminated Age:22.4	8Sunday 36.9% illuminated Age:23.4
Week 28	9Monday 26.8% illuminated Age:24.4	10Tuesday 17.4% illuminated Age:25.5	11Wednesday 9.5% illuminated Age:26.6	12Thursday 3.6% illuminated Age:27.7	13Friday 0.5% illuminated Age:28.9	14Saturday 0.3% illuminated Age:0.5	15Sunday 3.3% illuminated Age:1.7
Week 29	16Monday 9% illuminated Age:2.9	17Tuesday 17% illuminated Age:4	18Wednesday 26.5% illuminated Age:5.1	19Thursday 36.9% illuminated Age:6.1	20Friday 47.5% illuminated Age:7.1	21Saturday 57.9% illuminated Age:8.1	22Sunday 67.7% illuminated Age:9.1
Week 30	23Monday 76.6% illuminated Age:10	24Tuesday 84.3% illuminated Age:10.9	25Wednesday 90.6% illuminated Age:11.8	26Thursday 95.4% illuminated Age:12.7	27Friday 98.6% illuminated Age:13.6	28Saturday 99.9% illuminated Age:14.5	29Sunday 99.5% illuminated Age:15.4
Week 31	30Monday 97.3% illuminated Age:16.3	31Tuesday 93.3% illuminated Age:17.2	1Wednesday	2Thursday	3Friday	4Saturday	5Sunday
	6Monday	7Tuesday	8Wednesday	9Thursday	10Friday	11Saturday	12Sunday