Weekly Overtime Rules vs. Daily Overtime Rules: Why They Give Different Totals
Standard federal overtime rules trigger overtime pay only after 40 hours in a single work week, regardless of how those hours are distributed across days. Some jurisdictions additionally have daily overtime rules, triggering overtime pay for any single day beyond a set number of hours (commonly 8), even if the total weekly hours don't exceed 40 — meaning the identical schedule can produce meaningfully different overtime totals depending on which rule set applies.
This is a genuine, significant source of variation in overtime pay depending specifically on jurisdiction, worth understanding for anyone working an unusual or compressed schedule.
The standard weekly rule
Under the standard federal weekly rule, only total hours worked in the week matter for overtime — working four 10-hour days (40 total hours) triggers no overtime under this rule, since the weekly total doesn't exceed 40, regardless of any single day exceeding 8 hours.
Daily overtime rules in some jurisdictions
Some jurisdictions layer an additional daily overtime rule on top of the weekly one, triggering overtime pay for any hours worked beyond a set daily threshold (commonly 8 hours) on a specific day, even if the week's total hours don't exceed 40 — under this rule, the same four 10-hour-day schedule would trigger 2 hours of daily overtime on each of those four days, despite the 40-hour weekly total.
Why checking the specific applicable rules matters
Given how significantly the total overtime owed can differ between these two rule structures for the identical schedule, checking which specific rules apply in a given jurisdiction (rather than assuming the standard federal weekly rule is universal) matters for anyone working a compressed or unusual schedule.