This application accurately calculates sunrise and sunset times anywhere in the world. Sunrise and sunset at the users location are calculated automatically. No user input or internet connection are required for this service.
Same goes for the moon.
It is also possible to calculate occurrence of these events for a range of dates worldwide. Locations of interest can be selected from a map. To display a detailed world map internet access is required.
Calculated dates can be saved as reminders or added to the default calendar.