Use it all the time!
I use this app to view current and future sunrise/sunset info all the time! Also great for information about the moon. Appreciate that we can now save multiple locations. Have used this app for several years, and it has long-passed the "keep or delete" test.
Watching the time the sun rises and sets might be a bit nerdy, but it helps me get through the long, dark, northern winter nights, counting down the weeks to brighter days! :-)
ea/ about
MoonPhase - moon info, v2.3