CZ
CalcyZone
time-date Verified Precision Tool

Time Duration Calculator

Calculate total hours, minutes, and seconds between two times with cross-midnight support.

Time Calculation Solution
8 Hours, 30 Minutes
Total Minutes: 510 mins | Decimal Hours: 8.5 hrs

Mathematical Formula

Duration = End Time minus Start Time in hours and minutes

Overview & Explanation

Calculates elapsed clock duration between a starting time and ending time.

How It Works

  • Converts start and end times to total minutes from midnight and subtracts.

Practical Applications

  • Worktimesheet hours tracking.
  • Flight duration calculation.

Worked Example: 09:00 to 17:30

Find duration.

1

Subtract Start from End

17:30 minus 09:00

= 8 Hours, 30 Minutes

Frequently Asked Questions

How do you calculate hours worked between two times?
Subtract the start time from the end time and subtract any unpaid lunch breaks.