The moon

Full moon

A full moon is the moment the moon stands opposite the sun, its whole face lit.

Full to the minute only once, though it looks full for a night either side; Sol names each one and lists the year's.

Every full moon

Golden hour, the twilights and the moon, where you stand.

Sol for iPhone is coming soon, with each of them for the place you stand, on your phone and your wrist.

Full moon, where you stand.

You stand at the middle of your horizon. The dots are the moon’s path tonight, the moon lit as it is; the stage opens three hours after sunset. Slide through the night, or drag the sky to turn it.

How Sol measures it.

Sol takes the instant of opposition from the lunar ephemeris and shows it in your own clock; a full moon at three in the morning belongs to the night before. It rises within minutes of sunset because it stands opposite the sun, and its light is some four hundred thousand times fainter than the sun's — still enough to cast a shadow and to wash out the Milky Way.

Make time for the light.

Sol for iPhone is coming soon, with golden hour, the twilights and the moon for wherever you stand. Leave your address for early access and one email when it ships.

All thirty words of light