Standard time
Sunrise 7:39 AM
Sunset 5:39 PM
Permanent DST scenario
Sunrise 8:39 AM
Sunset 6:39 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 (35.467079, -97.513657). NOAA approximate model, tested against USNO references. Horizon and weather not represented. Methodology.