Sign In

Lunar Calendar Month October 2021 (VietNam)

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 Hanoi, VietNam during October 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
new moon2021-10-0618:05
1st quarter2021-10-1310:25
full moon2021-10-2021:57
3rd quarter2021-10-2903:05

Apogee and perigee of the Moon

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

PositionDatesTimeDistanceNotes
Perigee2021-10-0900:29363,387 km
Apogee2021-10-2422:31405,614 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
Beehive2021-10-01 20:08
Venus2021-10-10 01:36
Saturn2021-10-14 14:12
Jupiter2021-10-15 16:58
Pollux2021-10-28 03:40
Beehive2021-10-29 04:32

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 31 days of October 2021.

October 2021
wMondayTuesdayWednesdayThursdayFridaySaturdaySunday
Week 39
27Monday
 
28Tuesday
 
29Wednesday
 
30Thursday
 
1Friday
 
34.4% illuminated
Age:23.6
2Saturday
 
25.2% illuminated
Age:24.6
3Sunday
 
16.8% illuminated
Age:25.6
Week 40
4Monday
 
9.6% illuminated
Age:26.6
5Tuesday
 
4.1% illuminated
Age:27.6
6Wednesday
 
0.8% illuminated
Age:28.7
7Thursday
 
0.1% illuminated
Age:0.3
8Friday
 
2.1% illuminated
Age:1.4
9Saturday
 
7% illuminated
Age:2.5
10Sunday
 
14.2% illuminated
Age:3.6
Week 41
11Monday
 
23.5% illuminated
Age:4.8
12Tuesday
 
34% illuminated
Age:5.9
13Wednesday
 
45.2% illuminated
Age:6.9
14Thursday
 
56.3% illuminated
Age:8
15Friday
 
67% illuminated
Age:9
16Saturday
 
76.7% illuminated
Age:10
17Sunday
 
85% illuminated
Age:11
Week 42
18Monday
 
91.6% illuminated
Age:12
19Tuesday
 
96.4% illuminated
Age:13
20Wednesday
 
99.2% illuminated
Age:13.9
21Thursday
 
100% illuminated
Age:14.8
22Friday
 
98.9% illuminated
Age:15.8
23Saturday
 
96% illuminated
Age:16.7
24Sunday
 
91.4% illuminated
Age:17.6
Week 43
25Monday
 
85.4% illuminated
Age:18.4
26Tuesday
 
78.2% illuminated
Age:19.3
27Wednesday
 
69.9% illuminated
Age:20.2
28Thursday
 
60.8% illuminated
Age:21.1
29Friday
 
51.1% illuminated
Age:22
30Saturday
 
41.2% illuminated
Age:23
31Sunday
 
31.4% illuminated
Age:23.9
1Monday
 
2Tuesday
 
3Wednesday
 
4Thursday
 
5Friday
 
6Saturday
 
7Sunday
 
8Monday
 
9Tuesday
 
10Wednesday
 
11Thursday
 
12Friday
 
13Saturday
 
14Sunday
 
Content last updated on 2018-10-21T17:33:00Z