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🌙 Moon Phase Calculator

Find out the moon phase for any date. Check if it's new moon, first quarter, full moon, or last quarter.

The Moon Phase Calculator tells you the exact lunar phase for any date you choose. Using a known new moon reference point and the average lunar cycle length, the tool computes which of the eight major phases the moon was in or will be in on that date. Results show both the phase name and its corresponding emoji icon.

Astronomy enthusiasts use a moon phase calculator to plan stargazing sessions around dark skies during new moons. Gardeners and farmers follow lunar phases for planting and harvesting schedules. Photographers time their shots to capture full moons or crescent silhouettes. Even event planners check moon phases for outdoor weddings or night festivals.

For example, entering December 25, 2024, reveals the moon was in its Last Quarter phase. Whether you are checking last night's sky or planning ahead for a special occasion, this calculator gives you the lunar phase at a glance.



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Frequently Asked Questions

How accurate is the moon phase calculation?
The calculation uses a well-established astronomical method based on a known new moon reference date (January 6, 2000) and the average lunar cycle length of 29.53 days. It correctly identifies the major phase (new moon, first quarter, full moon, last quarter, and the four intermediate phases) for any given date within a reasonable margin.
What are the eight moon phases that this tool identifies?
The tool identifies all eight major lunar phases: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, and Waning Crescent. Each phase is displayed with its name and a matching emoji icon for quick visual reference.
Can I check future moon phases for planning purposes?
Yes, you can enter any future date and the calculator will show the expected moon phase. This is useful for planning outdoor events, photography sessions, or stargazing trips around specific lunar conditions like full moons or dark new moon nights.
Why does the moon phase matter for gardening or fishing?
Many gardeners and farmers follow lunar planting calendars that suggest certain phases for sowing, transplanting, or harvesting. Similarly, some anglers believe fish feeding patterns correlate with moon phases. While these practices are traditional rather than scientifically proven, the moon phase calculator helps you check the lunar cycle for any date.

Hoe werkt de Moon Phase Calculator?

Voer een datum in en de tool toont de maanfase voor die datum: nieuwe maan, wassende maan, volle maan of krimpende maan, inclusief percentage zichtbaarheid.

Wat zijn de 8 maanfasen?

De maan heeft 8 fasen in een cyclus van ~29,5 dagen: Nieuwe Maan, Wassende Sikkel, Eerste Kwartier, Wassende Maan, Volle Maan, Krimpende Maan, Laatste Kwartier, Krimpende Sikkel.

Hoe beïnvloedt de maan de getijden?

Bij volle en nieuwe maan zijn de getijden het sterkst (springvloed) omdat zon, maan en aarde op één lijn staan.

Hoe werkt de Moon Phase Calculator?

Voer een datum in en de tool toont de maanfase, inclusief percentage zichtbaarheid.

Wat zijn de 8 maanfasen?

Nieuwe Maan, Wassende Sikkel, Eerste Kwartier, Wassende Maan, Volle Maan, Krimpende Maan, Laatste Kwartier, Krimpende Sikkel. Cyclus: ~29,5 dagen.

Hoe beïnvloedt de maan de getijden?

Bij volle en nieuwe maan is springvloed — de getijden zijn dan het sterkst.