A smarter way to watch the sun and moon.
Quickly calculate sun and moon activity.

* Calculates the following data:
- Sunrise
- Solar noon
- Sunset
- Twilight times
- Equation of time
- Declination
- Azimuth of sunrise and sunset
- Altitude of sun at noon
- Moon rise
- Moon transit
- Moon set
- Declination
- Azimuth of moon rise and moon set
- Altitude of moon during transit
- Date of next new/full moon
- Sun Path during the day
- Moon Path during the day
- Solstice and Equinox dates

* Specify a location by :
- GPS receiver
- list of more than 30000 cities
- WGS-84 coordinates

* Any date between 01/01/1901 and 01/31/2099 can be selected

* Special layout for tablet devices (8-inch and larger)

* Information can be shared on Twitter and Facebook

Please note that the accuracy of the calculations decreases for locations north of 65°N and south of 65°S

Recent changes:
- Fixed an issue drawing the sun or moon icon on their paths when UTC times are used
- Fixed: The map view has displayed an incorrect value for the solar noon if the sun is below the horizon all day.
- Updated: The day header on the chronological overview page sticks to the top of the list now.
- Improved precision of the sun-earth distance calculation