Suntimes

Tracks sunlight and moonlight times. Features a clock, alarm clock, widget collection, and more.

Suntimes displays rising/setting information for the sun and moon. It includes many features commonly associated with a world clock.

The times reported by this app are approximate. The app doesn't require network connectivity, GPS is optional.

Features:

* clock

* alarm clock

* widgets

* tiles

Clock

* current time (System, Apparent Solar, Local Mean, UTC, or Sidereal time).

* time of sunrise, sunset, twilights (civil, nautical, astronomical), and blue/golden hour.

* time of moonrise, moonset, apogee/perigee, moon phases and illumination.

* time of solstices, equinoxes, and cross-quarter days.

* day/night world map, yearly sunlight, and sun altitude graphs.

Alarm Clock:

* general purpose alarms; full screen alarms, notifications, and quick notifications.

* daily repeating alarms for sunrise, sunset, or other reoccurring events.

* bedtime alarms with support for sleep cycles and do-not-disturb settings.

* gentle alarms that gradually change screen brightness, colors, and volume.

* features for heavy sleepers; math problems, NFC tags (requires SuntimesNFC), and snooze limits.