Moon phases in 2039: full calendar
All 50 primary Moon phases in 2039, with the exact date and time in Universal Time (UT). The first full moon is 10 January at 11:45 UT; the first new moon is 24 January at 13:36 UT.
Time-zone note. These are geocentric phase instants in UT, as supplied by the U.S. Naval Observatory. Your local clock — and occasionally your local calendar date — may differ after conversion.
2039 Moon phase calendar by month
2039 contains 50 primary lunar phases: 13 full moons and 12 new moons. October has two full moons. No calendar month has two new moons.
| Month | Primary phases in Universal Time |
|---|---|
| January |
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| February |
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| March |
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| April |
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| May |
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| June |
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| July |
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| August |
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| September |
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| October |
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| November |
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| December |
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Full moon dates in 2039
October has two full moons.
New moon dates in 2039
No month contains two new moons.
What stands out in 2039
- The year opens with a first quarter on Sunday, 2 January at 07:37 UT and closes with a full moon on Friday, 30 December at 12:37 UT.
- The shortest interval between consecutive primary phases is about 6.6 days, from the first quarter on 29 June at 11:17 UT to the full moon on 6 July at 02:03 UT.
- The longest interval is about 8.2 days, from the full moon on 31 October at 22:36 UT to the last quarter on 9 November at 03:46 UT.
- October has two full moons. No month contains two new moons.
Source and method
The phase dates are a checked-in snapshot of the official USNO annual Moon phases API result for 2039, retrieved 2026-08-14, API version 4.0.1. USNO describes these as computed astronomical data for public information and general use. SkyClock does not call the API during a page build or visit.
USNO asks for appropriate credit when its public information is copied or distributed; see its privacy and distribution notice. These computed times are useful for planning, not navigation, legal certification or a claim about local Moon visibility.
FAQ
When is the first full moon of 2039?
The first full moon of 2039 is Monday, 10 January 2039 at 11:45 UT. The final full moon is Friday, 30 December 2039 at 12:37 UT. Both times are Universal Time (UT).
How many full moons are there in 2039?
There are 13 full moons in 2039. October has two full moons.
How many new moons are there in 2039?
There are 12 new moons in 2039. No month contains two new moons.
Why can a Moon phase date differ in my time zone?
Every phase on this page is listed in Universal Time. Converting the instant to a local time zone can move it to the previous or next calendar date, but it is still the same astronomical instant.