Sunset Time Offset Bug - App Crashes

Install the SmartThings Classic app v. 2.16.1 (1437) and use it instead of the SmartThings (Samsung Connect) app v 1.16.13-161. Then go in the Classic app and set your location for the hub.
https://support.smartthings.com/hc/en-us/articles/205956850-How-to-edit-Location-settings-in-the-SmartThings-Classic-app