Lunar Calendar Month April 2017 (Laos)

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 Vientiane, Laos during April 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	2017-04-04	01:39
full moon	2017-04-11	13:08
3rd quarter	2017-04-19	16:57
new moon	2017-04-26	19:16

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance	Notes
Apogee	2017-04-15	17:06	405,477 km
Perigee	2017-04-27	23:19	359,323 km

Meteor Activity

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

Name	Peak Day
π-Puppids	2017-04-23
Lyrids	2017-04-22

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	2017-04-01 15:49
Beehive	2017-04-05 19:45
Regulus	2017-04-07 11:30
Jupiter	2017-04-11 04:20
Saturn	2017-04-17 01:39
Venus	2017-04-24 00:59
Aldebaran	2017-04-29 00:20

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of April 2017.

April 2017
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 13	27Monday	28Tuesday	29Wednesday	30Thursday	31Friday	1Saturday 17.3% illuminated Age:4	2Sunday 27% illuminated Age:5.1
Week 14	3Monday 37.8% illuminated Age:6.2	4Tuesday 49.1% illuminated Age:7.3	5Wednesday 60.2% illuminated Age:8.3	6Thursday 70.6% illuminated Age:9.4	7Friday 79.9% illuminated Age:10.4	8Saturday 87.6% illuminated Age:11.4	9Sunday 93.6% illuminated Age:12.4
Week 15	10Monday 97.7% illuminated Age:13.3	11Tuesday 99.7% illuminated Age:14.3	12Wednesday 99.8% illuminated Age:15.2	13Thursday 98% illuminated Age:16.1	14Friday 94.4% illuminated Age:17	15Saturday 89.2% illuminated Age:17.9	16Sunday 82.6% illuminated Age:18.8
Week 16	17Monday 74.9% illuminated Age:19.7	18Tuesday 66.3% illuminated Age:20.6	19Wednesday 56.9% illuminated Age:21.5	20Thursday 47.1% illuminated Age:22.4	21Friday 37.2% illuminated Age:23.4	22Saturday 27.5% illuminated Age:24.3	23Sunday 18.5% illuminated Age:25.3
Week 17	24Monday 10.7% illuminated Age:26.4	25Tuesday 4.6% illuminated Age:27.5	26Wednesday 0.9% illuminated Age:28.6	27Thursday 0.1% illuminated Age:0.2	28Friday 2.2% illuminated Age:1.4	29Saturday 7.2% illuminated Age:2.6	30Sunday 14.7% illuminated Age:3.7
	1Monday	2Tuesday	3Wednesday	4Thursday	5Friday	6Saturday	7Sunday
	8Monday	9Tuesday	10Wednesday	11Thursday	12Friday	13Saturday	14Sunday