Standard time
Sunrise 7:50 AM
Sunset 5:23 PM
Permanent DST scenario
Sunrise 8:50 AM
Sunset 6:23 PM
Later winter evenings come with darker winter mornings. Both clock readings shift one hour. The amount of sunlight does not increase.
Census representative internal point (40.776928, -111.930991). NOAA approximate model, tested against USNO references. Horizon and weather not represented. Methodology.