Standard time
Sunrise 7:52 AM
Sunset 4:54 PM
Permanent DST scenario
Sunrise 8:52 AM
Sunset 5:54 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 (45.788538, -108.552475). NOAA approximate model, tested against USNO references. Horizon and weather not represented. Methodology.