Calculate End Time Given Start Time and Duration

Result

Short result:
Date publish: 17.09.2024   |   Author: Calcwizard

Understanding Time Calculation

So, given a start time and a period(usually in hours), how to calculate the time it will take to reach the end. This calculator makes it easy by showing you instantaneously when an activity will complete.

Examples of Time Calculations

Start Time Duration End Time
8:30 AM 2 hours 10:30 AM
1:15 PM 45 minutes 2:00 PM
4:00 PM 1 hour 30 minutes 5:30 PM
11:45 PM 2 hours 15 minutes 2:00 AM (next day)

Interesting Facts About Time

  • Time zones were first suggested by Sir Sandford Fleming in the late 1800s.
  • Time has units in seconds, minutes, hours, days, etc, and the smallest time unit is called the Planck time, which is equal to ~5.39 × 10^-44 seconds.
  • Sundials were used in ancient Rome to measure time according to where the sun was in the sky.

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