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⏱️ Time Duration Calculator

Calculate hours and minutes between two times, add or subtract time, and find total work hours. Perfect for timesheets and scheduling.

Time Difference Add Time Subtract Time Work Hours

Deduct Break Time

⏱️ Time Duration

8hours0minutes

0 seconds

8.00 hours in decimal

Total Hours
8.00
Total Minutes
480
Total Seconds
28,800
In Words
8 hours

Time Visualization

0h
9:00 AM - 5:00 PM
24h
9:00 AM5:00 PM

💼 Common Work Hours

9:00 AM - 5:00 PM8 hours
9:00 AM - 6:00 PM9 hours
8:00 AM - 4:00 PM8 hours

🔄 Time Conversion Guide

  • 1 Hour =60 Minutes, 3600 Seconds
  • 30 Minutes =0.5 Hours
  • 15 Minutes =0.25 Hours
  • 10 Minutes =0.167 Hours

🕒 12-hour to 24-hour Converter

24-hour format:14:30
💡 Pro Tip: To calculate work hours, subtract start time from end time, then deduct unpaid breaks. For overnight shifts, use the "same day" option to automatically handle next-day calculations.

💼 Weekly Work Hours Calculator

Day
Start
End
Break
Total
Monday
7.5
Tuesday
7.5
Wednesday
7.5
Thursday
7.5
Friday
7.5
Total Weekly Hours:37.5hours

⏱️ Why Use a Time Duration Calculator?

Time duration calculation is essential for countless everyday situations. Whether you're tracking work hours, planning events, calculating travel time, managing projects, or figuring out billing hours, knowing the exact time between two moments helps you stay organized and accurate.

💼 Work Hours

Calculate daily work hours, overtime, and total weekly hours for payroll.

✈️ Travel

Plan trips, calculate flight durations, and schedule connections.

📊 Projects

Track time spent on tasks and manage project deadlines.

❓ Frequently Asked Questions

How do I calculate hours between two times?

Enter your start and end times in the calculator above. The tool automatically computes the duration in hours, minutes, and seconds. For overnight shifts, check the "same day" option to handle next-day calculations.

How many hours is 9am to 5pm with lunch?

9am to 5pm is 8 hours total. With a 30-minute unpaid lunch, paid hours are 7.5 hours. With a 1-hour unpaid lunch, paid hours are 7 hours.

How do I calculate my work hours for payroll?

Use our weekly work hours table. Enter your start time, end time, and break duration for each day. The calculator will automatically sum your total weekly hours in decimal format (e.g., 37.5 hours).

⚠️ Disclaimer: Time calculations are based on standard 24-hour format. For payroll purposes, verify with your local labor laws regarding overtime and break deductions.