Time Duration Calculator
Calculate the duration between two times. Perfect for timesheets, work hours tracking, and meeting durations.
Calculate Time Duration
Exclude breaks from total duration (e.g., lunch break)
Perfect For
- ✓Timesheet calculations: Track your work hours accurately
- ✓Meeting durations: Calculate total meeting time
- ✓Project time tracking: Monitor time spent on tasks
- ✓Overnight shifts: Automatically handles periods spanning midnight
- ✓Break time exclusion: Subtract lunch or other breaks
Disclaimer: This calculator is provided as-is for informational purposes. For official timesheet or billing purposes, please verify calculations independently.
Disclaimer
This time duration calculator is provided "as-is" for informational and productivity purposes only. While we strive for accuracy, calculations should be verified independently for critical applications such as legal timekeeping, payroll, or billing. Results depend on browser time settings and may be affected by timezone or daylight saving time changes.
How to Use the Time Duration Calculator
Basic Usage
- Enter your start time (e.g., 9:00 AM)
- Enter your end time (e.g., 5:30 PM)
- Optionally, add break time in minutes to exclude from total
- Click "Calculate Duration" to see results
Features
- Overnight calculations: Automatically handles periods that span midnight
- Break time exclusion: Subtract lunch breaks or other non-work periods
- Multiple formats: See results in hours/minutes and decimal format
- Calculation history: Review past calculations and reload them
- Share results: Generate shareable links with your calculation
- "Now" buttons: Quickly set current time for start or end
Common Use Cases
📊 Timesheet Tracking
Calculate daily work hours for accurate timesheet submissions and payroll.
💼 Meeting Duration
Track meeting lengths for billing clients or project time allocation.
🌙 Night Shifts
Calculate shift hours that cross midnight without manual adjustments.
🎯 Project Tracking
Monitor time spent on specific tasks or project phases.
Tips & Tricks
- Use the "Now" buttons to quickly capture current time
- Add break time to get net working hours (excluding lunch, etc.)
- The calculator automatically detects overnight periods (e.g., 11 PM to 3 AM)
- Results are shown in both standard format (8h 30m) and decimal (8.50 hours)
- Use the history feature to compare calculations or reload previous entries
- Share your calculation with the share button - it creates a URL with all values