6:00 pm – 6:30 pm
when conditions allow, i.e. when temps are >50°F, Dew Point >45°F, Heating Degree Days <9, atmosphere stable, no pressure drops, no strong wind, no rain in the area

Sunset: 5:45 pm
Dark: 6:15 pm (10-20 minutes earlier if cloudy)
Sunrise: 7:28 am