Moon Calendar — August 2026
The full moon in August 2026 is August 28, 2026 — the Sturgeon Moon. Every day of the month is drawn below with its phase and how much of the disc is lit. Tap any day for that night's detail.
Dates and phases are shown in UTC until the page loads, then in your own time zone.
Primary phases in August 2026
| Phase | When | Name | |
|---|---|---|---|
| Last quarter | August 6, 202602:21 UTC | ||
| New moon | August 12, 202617:36 UTC | ||
| First quarter | August 20, 202602:46 UTC | ||
| Full moon | August 28, 202604:18 UTC | Sturgeon Moon |
More moon for August 2026
Phase is the same worldwide, but moonrise and moonset depend on where you are — pick your city for tonight's times. See every phase in 2026, the full moon calendar with traditional names, or the other months. Sunrise and sunset for the same dates are on the sunrise & sunset pages.
When is the full moon in August 2026?
August 28, 2026 at 04:18 UTC — the Sturgeon Moon. The calendar above converts that to your own time zone when it loads, which can move it to the day before or after.
When is the new moon in August 2026?
August 12, 2026 at 17:36 UTC. New moon is the darkest night of the month and the best one for stargazing.
Why does the calendar show a different date than another site?
A moon phase happens at a single instant everywhere on Earth, so the calendar date it lands on depends on your time zone. A full moon at 02:00 UTC is still the previous evening across the Americas. This page shows UTC before its JavaScript runs and your own dates afterwards.
What do the percentages mean?
How much of the moon's disc is lit at midday on that date — 0% at new moon, 100% at full. The shape drawn in each cell is the same figure as a picture.