Cross-mode toolsPlanning

getSunTimes

Fetch sunrise, sunset and twilight times for an airport on a date — for VFR night legality determinations.

ProblemWhat it solves

The problem this tool solves

Answers "when does night begin?" per 14 CFR 1.1 (end of evening civil twilight) without manual lookup.

Example interaction

Pilot asks

When does night start at KPAO today?

Copilot responds

KPAO: sunset 2012L, end of evening civil twilight 2040L. Night (61.57(b) currency window) begins 2112L (1 hr after sunset).

RegulationCited reference

Related FAR

14 CFR 1.1 / 61.57(b)

Try getSunTimes in the Copilot

The Copilot reaches for this tool whenever the conversation calls for it.