Work Hours, Timecards & Shifts

A timecard turns raw clock-in and clock-out times into a number someone gets paid on, and that translation has several places where two reasonable-sounding methods produce different totals, whether an unpaid break gets subtracted before or after rounding, whether a shift that crosses midnight is one entry or two, and what rounding rule (to the nearest minute, to the nearest quarter hour, or something else) applies at each clock event. This category covers hours-worked totals, timecards across a pay period, break deductions, and shift-length questions, including the overnight and split-shift cases that break a naive subtraction.

Paid time and elapsed time are not the same number

The elapsed time between clocking in and clocking out is not automatically the paid total. Unpaid breaks, rounding policy, and any overtime threshold all sit between the two. Results here separate the raw elapsed span from the paid figure explicitly, rather than collapsing them into one number and hiding which adjustments were applied.

Rounding has to be shown, not just applied

A rounding rule (up, down, or to nearest, at a stated interval) can shift a weekly total by a meaningful amount over many clock events. Where rounding applies, the result states the rule and, where useful, what the total would look like without it, so the effect of the rounding policy itself is visible rather than buried in the final number.

Where to go next

For the working-calendar rules a shift schedule sits on top of, see Business Days & Work Calendar. For a single duration question without a pay-period or shift context, see Core Time Math.

Work Hours, Timecards & Shifts tools

• Hours CalculatorSolve worked hours from a shift’s clock-in/clock-out and its unpaid breaks.
• Time Card CalculatorTotal any number of independent clock-in/clock-out punches for one day.
• Clock In / Clock Out SolverSolve for a missing clock-in, clock-out, or duration, given the other two.
• Break Deduction CalculatorSee exactly which breaks were deducted from a shift and why, paid vs unpaid.
• Overtime Threshold CalculatorCompare worked hours to a named threshold and see the exact excess or shortfall.
• Shift Length CalculatorFind a scheduled shift’s span before it happens, from a start time and an end time or target length.
• Overnight Shift CalculatorSplit a midnight-crossing shift into hours before and after midnight, on top of the total.
• Split Shift CalculatorModel multiple work blocks in one day and total both worked time and gap time.
• Workweek Hours PlannerAllocate a weekly hours target across working days, or check a daily plan against it.
• Rounding Impact CalculatorApply a stated rounding rule to punches and show the exact impact on paid duration.
• Paid vs Elapsed Time CalculatorSeparate real, DST-aware elapsed time in a zone from paid time after unpaid breaks.
• Shift Coverage Gap CalculatorCompare coverage blocks against a required window and find what’s uncovered.
• Rotating Shift Pattern PlannerExpand a repeating shift pattern across calendar dates from a start date.
• Comp Time CalculatorTrack a stated compensatory-time balance across dated entries.
• Timesheet Period CalculatorAggregate daily worked-hours totals into one period, with an optional daily threshold.
• Shift Handoff PlannerFind the overlap or coverage gap between an outgoing and incoming shift.
• Break Schedule PlannerPlace a set of breaks inside a shift, each within its own allowed window.
• On-Call Rotation PlannerGenerate a fair round-robin on-call rotation with stated unavailability.