Calculate Overnight Shift Hours Across Midnight
Enter a finish time earlier than the start and the calculator automatically treats it as the next day—no manual date arithmetic needed.
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Useful guidance
How overnight shift hours are calculated
A 22:00 start and 06:00 finish spans eight hours because the finish belongs to the next day. Unpaid break minutes are deducted only after the full overnight duration is found.
Standard night22:00–06:008 hr
Night with break19:00–07:00, minus 60 min11 hr
Early finish23:30–04:154 hr 45 min