Daily lunar detail

August 2004 Moon Calendar

The month opens with a Full Moon and closes with a Full Moon. It contains 4 exact major phase events.

Icons use the common Northern Hemisphere convention: waxing light on the right, waning light on the left. Your sky may appear rotated at other latitudes.

Last QuarterAugust 7, 2004 at 10:01 PM UTC
New MoonAugust 16, 2004 at 1:24 AM UTC
First QuarterAugust 23, 2004 at 10:12 AM UTC
Full MoonAugust 30, 2004 at 2:22 AM UTC

The lunar story of August 2004

New Moon occurs August 16, 2004. Full Moon occurs August 30, 2004. The first major event is Last Quarter on August 7, 2004, and the month progresses from 99% to 97% illumination at noon UTC on its boundary dates.

Choosing a day

Select any Moon to open its precise phase angle, illuminated fraction, elapsed age since New Moon, trend, and neighboring event. Date result pages remain shareable but are excluded from search indexing.

Questions, answered

Frequently asked questions

What time are daily phases calculated?

12:00 UTC, chosen deliberately to keep date-only selections stable worldwide.

Why can a local phase event fall on another date?

An event near 00:00 UTC may occur on the previous local date west of Greenwich or the next local date east of it.

Do the icons show sky orientation?

They use a Northern Hemisphere convention; actual orientation rotates with latitude and viewing angle.