Time Calculator
Add, Subtract & Convert Time Durations
Professional time calculator for adding, subtracting, and converting time durations. Perfect for timesheet calculations, project tracking, and scheduling tasks.
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Time Calculator
Perform various time calculations and conversions
Add or subtract time from a specific time
Quick Examples
Result
Time calculation result and information
Enter valid inputs to see the time calculation result
Understanding Time Calculations
Master time arithmetic and conversions for better productivity.
Time Addition
Add multiple time durations together. Automatically handles overflow (e.g., 45 min + 30 min = 1 hr 15 min).
Time Subtraction
Calculate the difference between times or subtract a duration from a time. Useful for elapsed time.
Unit Conversion
Convert between seconds, minutes, hours, days, weeks, and more. Decimal and fractional formats.
12/24 Hour Format
Work with both 12-hour (AM/PM) and 24-hour (military) time formats seamlessly.
Time Zone Math
Calculate time differences across time zones. Essential for global collaboration and travel.
Elapsed Time
Calculate how much time has passed between a start and end time, including across midnight.
Common Time Calculation Uses
Work & Payroll
- Timesheet calculations
- Overtime tracking
- Billable hours
- Break time deductions
- Weekly hours totals
Sports & Fitness
- Workout duration
- Lap time calculations
- Training schedules
- Rest interval timing
- Personal records
Travel & Planning
- Flight duration
- Layover calculations
- Time zone conversions
- Arrival time estimates
- Meeting scheduling
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