Work shift hours and unpaid breaks

How it works

Convert HH:MM to minutes; add 1,440 to the end for a next-day shift; subtract start and unpaid break.

Input definitions

Start time (24-hour HH:MM): Enter the value in the labeled unit.
End time (24-hour HH:MM): Enter the value in the labeled unit.
Unpaid break in minutes: Enter the value in the labeled unit.
End date: Choose Same day / Next day.

A worked example

Start time (24-hour HH:MM): 09:00
End time (24-hour HH:MM): 17:00
Unpaid break in minutes: 30
End date: Same day

7.50 hours

Assumptions & limits

One shift of at most 24 wall-clock hours; enter overnight explicitly. Does not calculate overtime eligibility, pay rates, payroll rounding or DST-adjusted elapsed hours.

Sources & review

Maintained by AnsRio. Methods and examples use automated checks; this does not imply independent professional certification.

https://openstax.org/subjects/math ↗

Method updated 2026-10-17. Content checked against the stated method and examples. Our verification approach.

Common questions

Do daylight-saving changes affect calendar date results?

Date-only operations compare Gregorian calendar dates at UTC midnight. They do not count local elapsed hours. Timestamp operations require an explicit offset; individual tool assumptions state boundary rules.

How does the Work shift hours and unpaid breaks tool work?

Convert HH:MM to minutes; add 1,440 to the end for a next-day shift; subtract start and unpaid break.

What are the assumptions and limits of Work shift hours and unpaid breaks?

One shift of at most 24 wall-clock hours; enter overnight explicitly. Does not calculate overtime eligibility, pay rates, payroll rounding or DST-adjusted elapsed hours.