Time Sum Calculator

Add multiple time ranges for a total

Add Up Time Ranges
Total time
0h 0m
※ Adds multiple start-end ranges. If end is before start, it is treated as past midnight (+24h) for night shifts.
Details
#RangeTime
⚠️ Reference estimate based on the dates and inputs you provide. Actual results may vary with rules, holidays and personal circumstances. calcstool.com assumes no liability for these results.
FAQ
How to add times?
Enter each start and end time; they are converted to minutes, summed, and shown as hours:minutes.
Night shifts?
Yes. If end is before start (e.g. 22:00-06:00) it is treated as crossing midnight (+24h).
For work hours?
Yes, add morning and afternoon ranges to get total daily hours.
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Time Sum

Add multiple time ranges to get total hours. Useful for work, task and study time. Night ranges crossing midnight are handled automatically.

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