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Moon Phase Calculator

Moon age, phase, visual moon, and monthly calendar.

Estimate moon age, phase, and illumination — with a visual moon and monthly calendar.

New Moon
Age 0.32d · Illumination 0%
New
1st Q
Full
Last Q
2024-01
Sun
Mon
Tue
Wed
Thu
Fri
Sat
Date: 2024-01-11
Phase: New Moon 🌑
Age (days): 0.32
Illumination: 0%

关于Moon Phase Calculator

Approximate moon age and phase from the mean synodic month. See a CSS moon illustration for the selected date and browse a monthly phase calendar. Everything runs in your browser.

使用方法

  1. Pick a date
  2. See the moon visual
  3. Browse the month calendar

常见问题

Free?

Yes.

Uploaded?

No.