Moon phases in 2045: full calendar
All 50 primary Moon phases in 2045, with the exact date and time in Universal Time (UT). The first full moon is 3 January at 10:20 UT; the first new moon is 18 January at 04:25 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.
2045 Moon phase calendar by month
2045 contains 50 primary lunar phases: 13 full moons and 12 new moons. May 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 2045
May has two full moons.
New moon dates in 2045
No month contains two new moons.
What stands out in 2045
- The year opens with a full moon on Tuesday, 3 January at 10:20 UT and closes with a last quarter on Saturday, 30 December at 18:11 UT.
- The shortest interval between consecutive primary phases is about 6.6 days, from the first quarter on 24 February at 16:37 UT to the full moon on 3 March at 07:52 UT.
- The longest interval is about 8.2 days, from the last quarter on 8 February at 19:03 UT to the new moon on 16 February at 23:51 UT.
- May 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 2045, 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 2045?
The first full moon of 2045 is Tuesday, 3 January 2045 at 10:20 UT. The final full moon is Sunday, 24 December 2045 at 00:49 UT. Both times are Universal Time (UT).
How many full moons are there in 2045?
There are 13 full moons in 2045. May has two full moons.
How many new moons are there in 2045?
There are 12 new moons in 2045. 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.