Lunar Calendar Month October 2025 (Sri Lanka)

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 Sri Jayawardenapura Kotte, Sri Lanka during October 2025.

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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
full moon	2025-10-07	09:17
3rd quarter	2025-10-13	23:43
new moon	2025-10-21	17:55
1st quarter	2025-10-29	21:51

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance	Notes
Perigee	2025-10-08	18:07	359,818 km
Apogee	2025-10-24	05:02	406,444 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 Objects	Date and Time
Saturn	2025-10-06 08:16
Pleiades	2025-10-10 10:50
Jupiter	2025-10-14 04:01
Pollux	2025-10-14 05:00
Beehive	2025-10-15 04:23
Regulus	2025-10-16 22:26
Venus	2025-10-20 03:07
Mercury	2025-10-23 21:45
Antares	2025-10-25 05:45

Illumination of the Moon

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

October 2025
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 40	29 Monday	30 Tuesday	1Wednesday 57.7% illuminated Age: 8.1	2Thursday 67.4% illuminated Age: 9.1	3Friday 76.8% illuminated Age: 10	4Saturday 85.2% illuminated Age: 11.1	5Sunday 92.2% illuminated Age: 12.1
Week 41	6Monday 97.3% illuminated Age: 13.2	7Tuesday 99.8% illuminated Age: 14.3	8Wednesday 99.4% illuminated Age: 15.5	9Thursday 96.1% illuminated Age: 16.6	10Friday 90.1% illuminated Age: 17.8	11Saturday 81.8% illuminated Age: 18.9	12Sunday 71.9% illuminated Age: 20
Week 42	13Monday 61.1% illuminated Age: 21.1	14Tuesday 50.1% illuminated Age: 22.1	15Wednesday 39.3% illuminated Age: 23.2	16Thursday 29.3% illuminated Age: 24.2	17Friday 20.4% illuminated Age: 25.1	18Saturday 12.8% illuminated Age: 26.1	19Sunday 6.9% illuminated Age: 27
Week 43	20Monday 2.8% illuminated Age: 27.9	21Tuesday 0.5% illuminated Age: 28.9	22Wednesday 0.1% illuminated Age: 0.2	23Thursday 1.4% illuminated Age: 1.1	24Friday 4.6% illuminated Age: 2	25Saturday 9.3% illuminated Age: 2.9	26Sunday 15.5% illuminated Age: 3.8
Week 44	27Monday 23% illuminated Age: 4.7	28Tuesday 31.6% illuminated Age: 5.6	29Wednesday 41% illuminated Age: 6.5	30Thursday 51% illuminated Age: 7.5	31Friday 61.2% illuminated Age: 8.4	1 Saturday	2 Sunday
	3 Monday	4 Tuesday	5 Wednesday	6 Thursday	7 Friday	8 Saturday	9 Sunday
	10 Monday	11 Tuesday	12 Wednesday	13 Thursday	14 Friday	15 Saturday	16 Sunday