@Mark, @bradaskins,
Confirming same issues with shadows in SketchUp web free (up to date) used with:
Time and Date boxes do not update with the sliders.
Direct numerical input doesn’t do anything to change the shadows. As if there is no connection at all.
Starting with 12:00 am on 01/01 in a new file after the app has been started new and changing the time for shadows triggers the “Submit Crash Report” which I did, also see: