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Lunar Calendar Month April 2021 (Puerto Rico)

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 San Juan, Puerto Rico during April 2021.

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 phasesDatesTime
3rd quarter2021-04-0406:02
new moon2021-04-1122:31
1st quarter2021-04-2002:59
full moon2021-04-2623:31

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during April 2021.

PositionDatesTimeDistanceNotes
Apogee2021-04-1413:48406,119 km
Perigee2021-04-2711:25357,378 km

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 ObjectsDate and Time
Saturn2021-04-06 04:34
Jupiter2021-04-07 03:15
Mars2021-04-17 08:09
Beehive2021-04-20 14:25

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of April 2021.

April 2021
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 13
29Monday
 
30Tuesday
 
31Wednesday
 
1Thursday
 
84.1% illuminated
Age:18.6
2Friday
 
74.5% illuminated
Age:19.7
3Saturday
 
63.9% illuminated
Age:20.8
4Sunday
 
52.8% illuminated
Age:21.9
Week 14
5Monday
 
41.9% illuminated
Age:22.9
6Tuesday
 
31.6% illuminated
Age:23.9
7Wednesday
 
22.3% illuminated
Age:24.9
8Thursday
 
14.4% illuminated
Age:25.9
9Friday
 
8.1% illuminated
Age:26.8
10Saturday
 
3.6% illuminated
Age:27.7
11Sunday
 
0.8% illuminated
Age:28.7
Week 15
12Monday
 
0% illuminated
Age:0
13Tuesday
 
1% illuminated
Age:0.9
14Wednesday
 
3.8% illuminated
Age:1.8
15Thursday
 
8.2% illuminated
Age:2.7
16Friday
 
14.2% illuminated
Age:3.6
17Saturday
 
21.4% illuminated
Age:4.5
18Sunday
 
29.8% illuminated
Age:5.4
Week 16
19Monday
 
39% illuminated
Age:6.3
20Tuesday
 
48.9% illuminated
Age:7.3
21Wednesday
 
59.1% illuminated
Age:8.2
22Thursday
 
69.2% illuminated
Age:9.2
23Friday
 
78.9% illuminated
Age:10.3
24Saturday
 
87.4% illuminated
Age:11.3
25Sunday
 
94.1% illuminated
Age:12.5
Week 17
26Monday
 
98.5% illuminated
Age:13.6
27Tuesday
 
100% illuminated
Age:14.8
28Wednesday
 
98.4% illuminated
Age:15.9
29Thursday
 
93.9% illuminated
Age:17.1
30Friday
 
86.8% illuminated
Age:18.3
1Saturday
 
2Sunday
 
3Monday
 
4Tuesday
 
5Wednesday
 
6Thursday
 
7Friday
 
8Saturday
 
9Sunday
 
10Monday
 
11Tuesday
 
12Wednesday
 
13Thursday
 
14Friday
 
15Saturday
 
16Sunday
 
Content last updated on 2018-10-21T17:33:00Z