The 3 definitions of Night 🌅

There are 3 different time periods that can be refer to as “Night”:
Sunset to sunrise = Use positions lights, and anti-collision lights if available. (91.209)
Civil twilight = (About 30 minutes after sunset to 30 minutes before sunrise, depending on your location) To log nighttime hours.
1H after sunset to 1H before sunrise = To log takeoffs and landings to carry passengers at night.