Chase the light, anywhere on Earth.

Sun & moon times

Sunrise, sunset, solar noon and day length — plus moonrise, moonset and the current moon phase.

Golden & blue hour

Know exactly when the light turns — morning and evening golden and blue hour windows, to the minute.

Twilight bands

Civil, nautical and astronomical twilight — the full progression from night to day, colour-coded.

Solar altitude & shadow

Scrub the sun's elevation across the day, read its azimuth at any moment and estimate shadow length.

Map & forecast

See sun and moon directions on the map, and plan ahead with a full monthly forecast you can export.

AR sun path

Point your camera and watch the sun's track laid over the real world — golden hour, right where you stand.

The math runs on your phone, not our servers.

Every sunrise, twilight band and moon phase is calculated locally with proven astronomical algorithms. No account to create, no sign-in, no tracking — the app works fully offline once you pick a spot.