Moon Phase Software

Moon tools and calendars

Export and integrate
Observe the Moon
Keep it on your device
Personal dates and calendars
Explore lunar geometry

Moon phase today

The Moon is first quarter, 46.8% illuminated, at Sunday, 18 October 2026 at 07:49:00 UTC.

The phase is waxing, with a lunar age of 7.7 days since the preceding new Moon.

Next full Moon → · Next new Moon → · Calculate another date →

Physical lunar phase wheel with a photographed Moon and engraved angle scale

Calculated output

Calculated Moon state

2026-10-18T07:49+00:00[UTC] · UTC

Schematic Moon phase: waxing, 46.81% illuminated at a phase angle of 86.19 degrees. This represents illuminated fraction only, not sky orientation or observer hemisphere.
Schematic illumination only — not sky orientation or observer hemisphere.

Phase at the selected instant

First Quarter

waxing

46.81% illuminated

Brown lunation
1284
Lunar age
7.666 days (183.97 hours)
Phase angle
86.1861°
Selected instant
2026-10-18T07:49+00:00[UTC]
UTC instant
2026-10-18T07:49:00.000Z