QUICK GUIDE
Find the time between two clock times
Choose the elapsed-time option and enter a start and end time. The calculator returns the duration in hours and minutes, including intervals that pass midnight.
FREE ONLINE CALCULATOR
Time Calculator
Calculate elapsed time between two clock times, or add and subtract hours and minutes. Get a quick duration without working through the clock math.
Open the time calculatorNo account needed. Your calculation stays in your browser.
QUICK GUIDE
Add or subtract hours and minutes
Choose an operation, enter a starting clock time, and set the hours and minutes to add or subtract. The calculation runs locally in your browser.
COMMON QUESTIONS
About the time calculator
Can the time calculator handle a shift that ends after midnight?
Yes. When the end clock time is earlier than the start, the elapsed-time calculation treats it as the following day.
Can I add minutes to a time?
Yes. Choose Add time, enter the starting time, and set the hours and minutes to add.