Set time of calculation

Timezone: UTC

Phases of the Moon

Upcoming moon phases

Tuesday, 8 December 2020, 0h 37m 46s UTCLast Quarter
Monday, 14 December 2020, 16h 17m 52s UTCNew Moon
Monday, 21 December 2020, 23h 42m 54s UTCFirst Quarter
Wednesday, 30 December 2020, 3h 29m 38s UTCFull Moon


  • Phase Angle - The angle between the light incident from the Sun onto the Moon and the light reflected from the moon.
  • Illuminated fraction - The illuminated fraction of the moon in percent.
  • New Moon - Moon reaches 0° in geocentric ecliptical longitude. Solar eclipses may take place, if knot passage takes place within about one day.
  • First Quarter - Moon is at 90° ecliptical longitude.
  • Full Moon - Moon is at 180° ecliptical longitude. Lunar eclipses may take place, if knot passage is not too far away.
  • Last Quarter - Moon is at 270° ecliptical longitude.