Rest Between Shifts Calculator
Measure the time from the end of one shift to the start of the next.
How to use the Rest Between Shifts Calculator
- Set the end of the first shift, start of the next shift and your comparison target to match the record or scenario you are checking.
- Verify the applicable rest rule, exception or collective agreement rather than assuming the sample target is law before you run the calculation.
- Use Calculate to calculate the rest interval and show whether it meets the entered target.
- Recheck the source data if you may be using local times from different time zones without converting them first.
What this calculator does
Measure the time from the end of one shift to the start of the next. Only the values entered on the page are used to calculate the rest interval and show whether it meets the entered target.
Date and planning results use the weekend, holiday, schedule and time assumptions entered on the page. Confirm organization-specific calendars before relying on a deadline or roster date.
Elapsed rest is a time calculation, not a compliance decision
The tool measures the interval between the previous shift end and the next shift start and can compare it with a threshold you enter. Whether that threshold is legally or contractually correct depends on the applicable rule and should be verified separately.
Calculation example
Example input: Previous shift ends 10:00 PM; next shift starts 8:00 AM
Example result: 10h 00m rest, which is 1 hour below an 11-hour target.
It does not confirm your own scenario until the end of the first shift, start of the next shift and your comparison target and the applicable rest rule, exception or collective agreement rather than assuming the sample target is law have been checked.
How to interpret the result
In particular, confirm the applicable rest rule, exception or collective agreement rather than assuming the sample target is law and avoid using local times from different time zones without converting them first.
Practical checks before using the result
- Verify the key assumption: the applicable rest rule, exception or collective agreement rather than assuming the sample target is law.
- Avoid a common error: using local times from different time zones without converting them first.
Official employment resources
Work-hour and pay rules vary by country, state or province, employee classification and agreement. The calculator keeps its assumptions editable; use official guidance to confirm which rule applies to your situation.
Calculation design and testing notes are documented in the Calculator Methodology and Accuracy Policy.