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2099 Moon Calendar

Every new moon, first quarter, full moon and last quarter of 2099, with the traditional name of each of the 13 full moons. Dates and times are US Eastern time, computed with the lunar phase algorithm in Jean Meeus's Astronomical Algorithms and checked against the US Naval Observatory.

January 2099
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  • Full Moon6 · 8:50 PM
  • Last Quarter13 · 12:26 PM
  • New Moon21 · 4:07 AM
  • First Quarter29 · 9:38 AM
February 2099
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  • Full Moon5 · 7:48 AM
  • Last Quarter12 · 12:08 AM
  • New Moon19 · 11:05 PM
  • First Quarter28 · 1:13 AM
March 2099
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  • Full Moon6 · 5:59 PM
  • Last Quarter13 · 3:00 PM
  • New Moon21 · 6:46 PM
  • First Quarter29 · 1:38 PM
April 2099
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  • Full Moon5 · 4:37 AM
  • Last Quarter12 · 6:47 AM
  • New Moon20 · 11:30 AM
  • First Quarter27 · 9:36 PM
May 2099
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  • Full Moon4 · 1:58 PM
  • Last Quarter12 · 12:00 AM
  • New Moon20 · 1:16 AM
  • First Quarter27 · 3:16 AM
June 2099
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  • Full Moon2 · 11:37 PM
  • Last Quarter10 · 5:49 PM
  • New Moon18 · 12:10 PM
  • First Quarter25 · 8:00 AM
July 2099
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  • Full Moon2 · 10:21 AM
  • Last Quarter10 · 11:13 AM
  • New Moon17 · 9:01 PM
  • First Quarter24 · 1:09 PM
  • Full Moon31 · 10:59 PM
August 2099
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  • Last Quarter9 · 3:14 AM
  • New Moon16 · 4:54 AM
  • First Quarter22 · 8:01 PM
  • Full Moon30 · 1:56 PM
September 2099
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  • Last Quarter7 · 5:18 PM
  • New Moon14 · 12:50 PM
  • First Quarter21 · 5:48 AM
  • Full Moon29 · 6:45 AM
October 2099
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  • Last Quarter7 · 5:21 AM
  • New Moon13 · 9:32 PM
  • First Quarter20 · 7:27 PM
  • Full Moon29 · 12:20 AM
November 2099
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  • Last Quarter5 · 2:42 PM
  • New Moon12 · 6:29 AM
  • First Quarter19 · 12:17 PM
  • Full Moon27 · 4:22 PM
December 2099
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  • Last Quarter4 · 11:45 PM
  • New Moon11 · 6:09 PM
  • First Quarter19 · 9:22 AM
  • Full Moon27 · 7:58 AM

Times are US Eastern (EST or EDT), rounded to the minute.

Full Moon Calendar 2099

Full moonDateWeekdayTime (ET)Note
Wolf MoonJanuary 6Tuesday8:50 PM—
Snow MoonFebruary 5Thursday7:48 AM—
Worm MoonMarch 6Friday5:59 PM—
Pink MoonApril 5Sunday4:37 AM—
Flower MoonMay 4Monday1:58 PM—
Strawberry MoonJune 2Tuesday11:37 PM—
Buck MoonJuly 2Thursday10:21 AM—
Blue MoonJuly 31Friday10:59 PMBlue Moon: second full moon this month
Sturgeon MoonAugust 30Sunday1:56 PM—
Harvest MoonSeptember 29Tuesday6:45 AM—
Hunter's MoonOctober 29Thursday12:20 AM—
Beaver MoonNovember 27Friday4:22 PM—
Cold MoonDecember 27Sunday7:58 AM—

The names are the traditional ones listed by The Old Farmer's Almanac, one per calendar month. Two depend on the September equinox instead: the Harvest Moon is the full moon nearest the equinox and the Hunter's Moon is the one after it, so in years when the Harvest Moon falls in October, September keeps the name Corn Moon. Supermoons are not marked, because there is no single agreed distance at which a full moon counts as one.

The Four Moon Phases

🌑 New moon:
the Moon is between Earth and Sun and its lit side faces away from us. It is not visible.
🌓 First quarter:
about a week later, the right half is lit (seen from the Northern Hemisphere). Visible in the afternoon and evening.
🌕 Full moon:
the Moon is opposite the Sun and fully lit. It rises around sunset and sets around sunrise.
🌗 Last quarter:
the left half is lit. It rises around midnight and is visible in the morning.

Why Dates Differ Between Calendars

A moon phase is an instant, not a day: it happens at the same moment worldwide, and the calendar date depends on the time zone. The average cycle from one new moon to the next is 29.53 days, so most years have 12 full moons and some have 13. This calendar uses US Eastern time; a European or Australian moon calendar can show the same phase one day later.

2099 Moon Calendar FAQ

How many full moons are in 2099?

2099 has 13 full moons and 12 new moons (US Eastern time). The first full moon is on Tue, Jan 6 and the last on Sun, Dec 27.

Is there a blue moon in 2099?

Yes: Fri, Jul 31 is the second full moon of July, the popular "monthly" Blue Moon.

When is the Harvest Moon in 2099?

The Harvest Moon is the full moon closest to the September equinox. In 2099 it is on Tue, Sep 29 at 6:45 AM ET.

Which time zone are these moon phase dates in?

All dates and times are US Eastern time, adjusted for daylight saving time. A phase happens at the same instant everywhere, so in Pacific time it is three hours earlier on the clock, and a phase shortly after midnight Eastern falls on the previous day in Central, Mountain and Pacific time.

Print a 2099 Moon Calendar

The builder does not add moon phases on its own: open 2099, add the full moons you want as events (for example "Wolf Moon" on January 6), and export a PDF.

Customize the 2099 Calendar