About
About Time Calculator
A focused browser calculator for adding and subtracting durations and shifting a clock time by an exact duration.
What it does
Time Calculator converts entered days, hours, minutes, and seconds to exact integer seconds, performs signed arithmetic, and returns normalized time plus decimal hours, total minutes, and total seconds.
Two focused modes
Duration mode combines multiple signed rows. Clock mode adds or subtracts one duration from one clock time and reports the exact day offset when the result crosses midnight.
What it does not do
It is not an Hours Calculator, Time Duration Calculator, Date & Time Calculator, Time Card Calculator, time-zone converter, payroll tool, stopwatch, or timer.
Publisher
Time Calculator is published by Mycelgrid LLC as part of the Mycelgrid collection of focused browser apps.