What is the latest time a recreational pilot may take off during daylight hours?

The latest time a recreational pilot may take off during daylight hours is at the end of evening civil twilight. Civil twilight is the period during which there is enough natural light for pilots to operate their aircraft safely without relying on artificial lights. This timing is crucial because it determines the conditions under which flying remains safe and legal according to aviation regulations.

Taking off at the end of evening civil twilight ensures that pilots are operating within the light conditions prescribed for safe flight. This is particularly significant because flying into darkness can present challenges regarding visibility and navigation. Pilots must always prioritize safety and adhere to regulations regarding daylight flight operations.

The other options are not valid for the latest time of departure because they either occur too early (one hour before sunrise and at sunrise) or do not align with the legal parameters set for day operations in aviation regulations. Thus, operating at the end of evening civil twilight maximizes safety and compliance with the rules governing recreational pilots.