Shift Turnaround / Rest Calculator
Short turnarounds are easy to miss when one shift ends late and the next begins the following morning. Enter the two times to calculate the actual rest window.
Enter your scheduling assumptions
Change the inputs and the result updates immediately. Keep the assumptions realistic—the output is only as useful as the staffing model you give it.
8 hours between shifts
Method
The calculator converts both clock times to minutes and measures the next occurrence of the start time after the end time, including an overnight rollover when necessary.
Example
A shift ending at 22:00 followed by a 06:00 start has an eight-hour turnaround.
What the answer means
Compare the calculated interval or work streak with the rule your organization actually uses. The tool does not create or interpret that rule for you.
What this tool does not prove
This simple calculator assumes the next start occurs within 24 hours. It does not determine whether the interval complies with a law, contract, policy, or fatigue-management standard.
Answer the planning question before assigning names
Calculate the hours between one shift ending and the next shift starting, including overnight turnaround.
Handle overnight time differences automatically.
Compare the actual rest window with your chosen minimum.
Use the result as a quick check before assigning the next shift.
Capacity math cannot see every person-level scheduling constraint
A staffing model can be mathematically feasible and still fail when only certain people are qualified for a role, approved absences remove key people, assignments overlap, rest windows are too short, or coverage changes on specific dates. Those are the checks RoleSchedule keeps attached to the schedule itself.