Lunar Calendar Month June 2025 (Finland)

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 Helsinki, Finland during June 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
1st quarter	2025-06-03	06:41
full moon	2025-06-11	10:44
3rd quarter	2025-06-18	22:19
new moon	2025-06-25	13:31

Apogee and perigee of the Moon

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

Position	Dates	Time	Distance	Notes
Apogee	2025-06-07	13:44	405,551 km
Perigee	2025-06-23	07:44	363,176 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
Mars	2025-06-01 12:49
Regulus	2025-06-02 04:30
Spica	2025-06-06 17:15
Antares	2025-06-10 13:25
Saturn	2025-06-19 06:47
Pleiades	2025-06-23 05:59
Mercury	2025-06-27 09:02
Beehive	2025-06-27 20:42
Regulus	2025-06-29 13:26
Mars	2025-06-30 04:05

Illumination of the Moon

The following table depicts the illumination of the Moon, calculated at 00:00, throughtout the 30 days of June 2025.

June 2025
w	Monday	Tuesday	Wednesday	Thursday	Friday	Saturday	Sunday
Week 22	26 Monday	27 Tuesday	28 Wednesday	29 Thursday	30 Friday	31 Saturday	1Sunday 27.4% illuminated Age: 5.2
Week 23	2Monday 37.2% illuminated Age: 6.2	3Tuesday 47.2% illuminated Age: 7.1	4Wednesday 57% illuminated Age: 8	5Thursday 66.4% illuminated Age: 9	6Friday 75.1% illuminated Age: 9.8	7Saturday 82.8% illuminated Age: 10.7	8Sunday 89.3% illuminated Age: 11.6
Week 24	9Monday 94.5% illuminated Age: 12.5	10Tuesday 98% illuminated Age: 13.4	11Wednesday 99.8% illuminated Age: 14.4	12Thursday 99.7% illuminated Age: 15.3	13Friday 97.6% illuminated Age: 16.2	14Saturday 93.6% illuminated Age: 17.2	15Sunday 87.6% illuminated Age: 18.1
Week 25	16Monday 79.9% illuminated Age: 19.1	17Tuesday 70.6% illuminated Age: 20.1	18Wednesday 60.3% illuminated Age: 21.2	19Thursday 49.2% illuminated Age: 22.2	20Friday 37.9% illuminated Age: 23.3	21Saturday 27.1% illuminated Age: 24.4	22Sunday 17.3% illuminated Age: 25.5
Week 26	23Monday 9.2% illuminated Age: 26.6	24Tuesday 3.5% illuminated Age: 27.8	25Wednesday 0.5% illuminated Age: 28.9	26Thursday 0.3% illuminated Age: 0.5	27Friday 2.8% illuminated Age: 1.6	28Saturday 7.6% illuminated Age: 2.6	29Sunday 14.4% illuminated Age: 3.7
Week 27	30Monday 22.5% illuminated Age: 4.6	1 Tuesday	2 Wednesday	3 Thursday	4 Friday	5 Saturday	6 Sunday
	7 Monday	8 Tuesday	9 Wednesday	10 Thursday	11 Friday	12 Saturday	13 Sunday