Full Moon Finder Help | Almanac.com

Full Moon Finder Help

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The Old Farmer‘s Almanac Full Moon Finder app lets you find upcoming full Moon dates and times in North America.

  • Enter a location in the U.S. or Canada by ZIP or Postal Code, or with City, State.
  • Swipe left or right to navigate (day by day) to see the percentage of illumination.
  • Tap on Next Full >> to find upcoming full Moon dates/times.
  • To go back or to see the Moon on any day of the month, tap on the date button and a monthly calendar will pop up.


Days Old refers to the Moon's age, which is the number of days since the previous new Moon. (The average length of the lunar month is 29.53 days.)

% lit refers to the appearance of the Moon and how much of the Moon's surface you can see illuminated.

The Full Moon‘s Name

Historically, Native Americans kept track of the seasons by giving distinctive names to the recurring full Moons. Each full Moon name was applied to the entire month in which it occurred.