≡
 
     
Sign In

Lunar Calendar Guam 2025 › Moon Guam May 2025

Lunar Calendar Month May 2025 (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 May 2025.

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
1st quarter2025-05-0423:52
full moon2025-05-1302:56
3rd quarter2025-05-2021:59
new moon2025-05-2713:02

Apogee and perigee of the Moon

The following table shows the dates of perigee and apogee of the Moon during May 2025.

PositionDatesTimeDistanceNotes
Apogee2025-05-1110:50406,244 km
Perigee2025-05-2611:38359,022 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
Pollux2025-05-03 10:02
Mars2025-05-04 09:12
Beehive2025-05-04 09:27
Regulus2025-05-06 03:58
Spica2025-05-10 17:43
Antares2025-05-14 14:10
Saturn2025-05-23 03:51
Venus2025-05-24 09:52
Pollux2025-05-30 19:13
Beehive2025-05-31 18:00

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of May 2025.

May 2025
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 18
28 Monday
 
29 Tuesday
 
30 Wednesday
 
1Thursday
 
11.2% illuminated
Age: 3.2
2Friday
 
19.6% illuminated
Age: 4.3
3Saturday
 
29.2% illuminated
Age: 5.4
4Sunday
 
39.5% illuminated
Age: 6.4
Week 19
5Monday
 
49.9% illuminated
Age: 7.4
6Tuesday
 
60% illuminated
Age: 8.3
7Wednesday
 
69.5% illuminated
Age: 9.3
8Thursday
 
78% illuminated
Age: 10.2
9Friday
 
85.4% illuminated
Age: 11.1
10Saturday
 
91.5% illuminated
Age: 12
11Sunday
 
96% illuminated
Age: 12.9
Week 20
12Monday
 
98.9% illuminated
Age: 13.8
13Tuesday
 
100% illuminated
Age: 14.7
14Wednesday
 
99.3% illuminated
Age: 15.6
15Thursday
 
96.7% illuminated
Age: 16.5
16Friday
 
92.4% illuminated
Age: 17.4
17Saturday
 
86.4% illuminated
Age: 18.3
18Sunday
 
78.8% illuminated
Age: 19.3
Week 21
19Monday
 
69.8% illuminated
Age: 20.2
20Tuesday
 
59.9% illuminated
Age: 21.2
21Wednesday
 
49.1% illuminated
Age: 22.2
22Thursday
 
38.2% illuminated
Age: 23.3
23Friday
 
27.5% illuminated
Age: 24.3
24Saturday
 
17.7% illuminated
Age: 25.5
25Sunday
 
9.5% illuminated
Age: 26.6
Week 22
26Monday
 
3.6% illuminated
Age: 27.7
27Tuesday
 
0.4% illuminated
Age: 28.9
28Wednesday
 
0.3% illuminated
Age: 0.5
29Thursday
 
3.1% illuminated
Age: 1.7
30Friday
 
8.5% illuminated
Age: 2.8
31Saturday
 
15.9% illuminated
Age: 3.9
1 Sunday
 
2 Monday
 
3 Tuesday
 
4 Wednesday
 
5 Thursday
 
6 Friday
 
7 Saturday
 
8 Sunday
 
9 Monday
 
10 Tuesday
 
11 Wednesday
 
12 Thursday
 
13 Friday
 
14 Saturday
 
15 Sunday
 
Content last updated on 2018-10-21T17:33:00Z