https://wccftech.com/todays-list-of-paid-apps-that-are-free-or-on-sale-at-the-play-store-5/

Skyclock® is the ultimate Sun calculator for sunrise, sunset, and twilight times. Calculates for exactly where you are.

Pilots, photographers, golfers, hunters, construction managers, those who fish, camp, hike, and organize outdoor recreation and those who organize their lives around sunrise and sunset can all use Skyclock®.