Lunar Calendar Month August 2017 (Guernsey)

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 St Peter Port, Guernsey during August 2017.

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
full moon	2017-08-07	19:11
3rd quarter	2017-08-15	02:15
new moon	2017-08-21	19:30
1st quarter	2017-08-29	09:13

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance
Apogee	2017-08-02	18:56	405,024 km
Perigee	2017-08-18	14:16	366,127 km
Apogee	2017-08-30	12:26	404,305 km

Eclipses in August 2017

The following is information about eclipses occuring worldwide during August 2017. The eclipses listed here may be totally visible, partly visible or not visible in any part of Guernsey.

Type	Dates	Saros	Notes
solar eclipse	2017-08-21	145
lunar eclipse	2017-08-07	119

Meteor Activity

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

Name	Peak Day
Perseids	2017-08-12
κ-Cygnids	2017-08-17
Aurigids	2017-08-31

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
Saturn	2017-08-03 08:31
Aldebaran	2017-08-16 07:39
Venus	2017-08-19 05:45
Beehive	2017-08-20 08:15
Jupiter	2017-08-25 14:00
Saturn	2017-08-30 15:23

Illumination of the Moon

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

August 2017
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 31	31Monday	1Tuesday 62.6% illuminated Age:8.6	2Wednesday 71.5% illuminated Age:9.5	3Thursday 79.6% illuminated Age:10.4	4Friday 86.7% illuminated Age:11.3	5Saturday 92.5% illuminated Age:12.2	6Sunday 96.8% illuminated Age:13.1
Week 32	7Monday 99.3% illuminated Age:14	8Tuesday 100% illuminated Age:15	9Wednesday 98.5% illuminated Age:15.9	10Thursday 95% illuminated Age:16.9	11Friday 89.3% illuminated Age:17.9	12Saturday 81.8% illuminated Age:18.9	13Sunday 72.7% illuminated Age:19.9
Week 33	14Monday 62.3% illuminated Age:21	15Tuesday 51.1% illuminated Age:22	16Wednesday 39.7% illuminated Age:23.1	17Thursday 28.8% illuminated Age:24.2	18Friday 18.8% illuminated Age:25.3	19Saturday 10.5% illuminated Age:26.4	20Sunday 4.4% illuminated Age:27.5
Week 34	21Monday 0.9% illuminated Age:28.6	22Tuesday 0% illuminated Age:0.2	23Wednesday 1.8% illuminated Age:1.3	24Thursday 5.9% illuminated Age:2.3	25Friday 11.9% illuminated Age:3.3	26Saturday 19.3% illuminated Age:4.3	27Sunday 27.8% illuminated Age:5.2
Week 35	28Monday 36.9% illuminated Age:6.1	29Tuesday 46.3% illuminated Age:7	30Wednesday 55.8% illuminated Age:7.9	31Thursday 65.1% illuminated Age:8.8	1Friday	2Saturday	3Sunday
	4Monday	5Tuesday	6Wednesday	7Thursday	8Friday	9Saturday	10Sunday
	11Monday	12Tuesday	13Wednesday	14Thursday	15Friday	16Saturday	17Sunday