This calculator is provided for informational and educational purposes only. While we strive for maximum accuracy using astronomical algorithms and altitude correction, the results generated by this tool do not constitute official aviation data.

No Warranty: The calculations are provided "as is" without any guarantees of completeness or accuracy.
Pilot Responsibility: The Pilot in Command (PIC) remains solely responsible for the accuracy of their flight logbook entries in accordance with their local aviation authority (FAA, EASA, CAA, etc.) regulations.
Limitation of Liability: The developers of this tool shall not be held liable for any errors, omissions, or any legal or financial consequences arising from the use of these calculations.

By using this tool, you acknowledge that you are responsible for cross-checking these results with official sunset/sunrise tables or your aircraft's on-board systems.