時間間隔計算機
ツールに戻る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
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.