Hours Between Two Times Calculator

Calculate hours and minutes between any two times. Works across midnight for shift work.

⏰ Date & Time📐 Duration = End Time - Start Time
Start hour (0-23)
Start minutes
End hour (0-23)
End minutes
Extra days (0=same, 1=next day)
Please enter valid values.

Formula & Reference

VariableFormulaUnits
Hours Between Two Times CalculatorDuration = End Time - Start Timehours:minutes

Step-by-Step Examples

Example 1
Night Shift

10 PM (22:00) to 6:30 AM.

  • Crosses midnight | Duration: 8h 30m
✓ 8h 30m
Example 2
Work Day

9:00 AM to 5:30 PM.

  • 17:30 - 09:00 = 8h 30m
✓ 8h 30m
Example 3
Long Drive

7:00 AM to 11:45 PM.

  • 23:45 - 07:00 = 16h 45m
✓ 16h 45m

Real-World Applications

Common Mistakes to Avoid

⚠️
Midnight crossings

11 PM to 7 AM = 8 hours. Calculator adds 24h automatically.

⚠️
Break deductions

This calculates total clock time. Subtract unpaid break time separately.

Frequently Asked Questions

Calculate hours worked? ▾
End time minus start time. If crossing midnight, add 24h to end time.
Decimal hours? ▾
Divide minutes by 60. 8h 45m = 8.75 decimal hours. Used in payroll.
Midnight shifts? ▾
Enter days=1 for next day, or this calculator auto-detects midnight crossings.

Related Calculators