Time

Converts durations between milliseconds, seconds, minutes, hours, and days. Pilots use it for logbook time, and drone operators and developers for endurance and timing. Start with the time converter. Pitfall: decimal hours are not hours and minutes. 1.5 h is 90 minutes, which is 1 hour 30 minutes, not 1 hour 50 minutes, so convert before you write a decimal time on a clock.