The 'Blue Hour' is very famous among photographers and is used to gorgeous photos in the morning or to make dusk. The sun has gone down or not yet risen and the sky has the same brightness as the building. This app shows you depending on your GPS coordinates when exactly it is morning and evening.

Functions:
- Views: blue hour, the sun, moon, weather
- Very accurate, the minute calculation on server
- Morning and evening
- Duration of the blue hour, morning, evening
- Sunrise / Sunset
- Moonrise / set

System:
- Please allow access to GPS or your place.
- Internet connection required