Get the blue hour times in a simple and easy to use app. See the blue hour times for any day and any place in the world.
* Get a five-day weather forecast for cities around the world.
* Search for a specific location by city name.
* Know the sun position during the blue hour.
* Receive alert notifications about the blue hour in multiple locations around the world.
* You can also see the blue hour times for your current location in the Today tab of Notification Center
The blue hour is the period of twilight early in the dawn and late dusk when the sun is below the horizon and the residual sunlight takes on a predominantly blue hue.