Moon phase estimates
A clear answer, with the details you need to plan around it.
Planning calendar for 2026. Today is October 3, 2026.
Approximation only: assumes a constant 29.530588853-day lunar cycle. Actual phases can differ by many hours. Not suitable for tides, navigation, or eclipse prediction.
Dates at a glance
| Estimated full moon (UTC) | Model |
|---|---|
| 2026-01-03 20:15 | Mean synodic month |
| 2026-02-02 08:59 | Mean synodic month |
| 2026-03-03 21:43 | Mean synodic month |
| 2026-04-02 10:27 | Mean synodic month |
| 2026-05-01 23:11 | Mean synodic month |
| 2026-05-31 11:55 | Mean synodic month |
| 2026-06-30 00:39 | Mean synodic month |
| 2026-07-29 13:23 | Mean synodic month |
| 2026-08-28 02:07 | Mean synodic month |
| 2026-09-26 14:51 | Mean synodic month |
| 2026-10-26 03:35 | Mean synodic month |
| 2026-11-24 16:19 | Mean synodic month |
| 2026-12-24 05:03 | Mean synodic month |
Follow an approximate lunar rhythm
Explore a simple model of the lunar cycle and its next full moon. Use the calendar to plan a casual observing evening, then check a local astronomical ephemeris for precise timing.
How the calculation works
This model repeats a mean 29.530588853-day synodic month from the new moon on January 6, 2000 at 18:14 UTC. Real lunar motion is irregular; these are estimates and can differ by many hours.
A useful next step
Moonrise, weather, and your location affect what you can see. The model does not calculate eclipses, tides, or location-specific visibility.
Common questions
What is the result for Moon phase estimates?
Planning calendar for 2026. Today is October 3, 2026.
Which counting rules does this page use?
Approximation only: assumes a constant 29.530588853-day lunar cycle. Actual phases can differ by many hours. Not suitable for tides, navigation, or eclipse prediction.
How can I use this result in my plans?
Moonrise, weather, and your location affect what you can see. The model does not calculate eclipses, tides, or location-specific visibility.
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