data taken from WeatherUnderground
Actual Time6:57 AM 5:51 PM
Civil Twilight 6:30 AM6:18 PM
Nautical Twilight 5:58 AM6:50 PM
Astronomical Twilight 5:27 AM7:22 PM
Length of Visible Light 11 h 48 m
Length of Day 10 h 53 m
Latitude: 40.3 Longitude: -77.3
Observed by: Alan
The observer's e-mail address will not be disclosed.
Contact will be made through a web-based form.