Time Duration Calculator

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About Time Duration Calculator

Calculate the exact duration between two times with support for multi-day calculations. Perfect for tracking work hours, project time, or any time-based measurements.

Key Features
  • Calculate same-day and cross-day durations
  • Multiple output formats (hours, minutes, seconds)
  • Instant calculation with detailed breakdown
  • Total time in different units
How to Use
  • Enter start time (HH:MM:SS format)
  • Enter end time (HH:MM:SS format)
  • Optionally add dates for multi-day calculations
  • Click "Calculate" to see the duration
Enter the starting time
Add date for multi-day calculations
Enter the ending time
Add date for multi-day calculations

Enter times and click Calculate to see the duration

Common Use Cases

Work Hours Calculation

Calculate total work hours between clock-in and clock-out times, including overtime and breaks.

Project Time Tracking

Track time spent on tasks, projects, or activities for billing or productivity analysis.

Event Duration

Calculate duration of events, meetings, or appointments to plan schedules effectively.

Shift Calculations

Calculate shift durations that span across midnight for accurate payroll processing.