Moon phase
New, crescent, quarter, gibbous, or full - the current light state of the lunar cycle.
Moon Phase Calculator
Enter any date to find the Moon's phase, illumination, approximate lunar age, and distance from Earth. Use your birth date to look up the moon phase you were born under.
New, crescent, quarter, gibbous, or full - the current light state of the lunar cycle.
How much of the Moon appears lit, shown as a percentage.
How far the date sits into the 29.5-day lunar cycle.
The estimated geocentric distance for 12:00 UTC on the selected date.
Calculated for 12:00 UTC on the selected date with the aa-js astronomical library. This date-only tool estimates geocentric lunar values; results may differ slightly from observatory ephemerides and it does not use a birth time or location.
Use your birthday in the calculator to find its broad eight-phase window. Then read the birth moon phase meaning guide or add birth time and location in the Lunar Mansion Calculator.
Use Soul Echo for a birth-time-aware mapping with time-zone context, or read the Academy for the 28 Lunar Mansions guide.