Everhour turns calendar events into timesheet entries, while accurate hour totals still depend on clear start, end, and break rules.
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This calculation tells you the elapsed time between a start time and an end time, usually for a shift, appointment, job, or timesheet row. The result can stay in hours and minutes for review, or convert to decimal hours for payroll, billing, or spreadsheet formulas. U.S. timesheet entries commonly use a 12-hour AM/PM format, so the AM or PM marker changes the result.
The calculation also separates gross time from paid time. Gross time measures the full span between clock-in and clock-out. Paid time subtracts unpaid meal periods or other unpaid gaps. Under federal law, adult meal and rest breaks are not required, but short breaks provided by an employer, usually about 5 to 20 minutes, count as compensable hours worked.
Start by converting both times to a 24-hour clock or decimal hour value. Subtract the start from the end. A 7:45 AM start equals 7.75. A 4:30 PM end equals 16.50. The gross span is 16.50 minus 7.75, which equals 8.75 hours. In hours and minutes, that is 8 hours and 45 minutes.
Next, subtract unpaid break time after converting minutes to decimal hours. A 30-minute unpaid meal period equals 0.50 hours because 30 divided by 60 equals 0.50. Gross time of 8.75 hours minus 0.50 hours leaves 8.25 paid hours. At $21.60 per hour, straight-time pay for that shift equals $178.20 before taxes, deductions, overtime, or premiums.
A shift that crosses midnight needs a day boundary before subtraction. A start time of 10:00 PM and an end time of 6:00 AM does not produce a negative number. Treat the end as the next day, or add 24 hours to the end time before subtracting. The gross span is 8 hours, then unpaid breaks reduce paid time if they qualify as unpaid.
Minute conversion causes a common payroll error. One hour and 30 minutes equals 1.50 hours, not 1.30 hours. Ten minutes equals 0.17 hours when rounded to two decimals, because 10 divided by 60 equals 0.1667. Federal time-clock rounding to the nearest 5 minutes, tenth, or quarter-hour is accepted only if it averages out over time and does not underpay employees for actual hours worked.
A single span calculation is enough for a quick timesheet line, a client visit, or a one-off pay estimate. Weekly payroll review needs more structure. Covered, nonexempt employees in the United States must receive overtime pay for hours worked over 40 in a fixed workweek, at not less than 1.5 times the regular rate under the FLSA.
A managed workflow matters once hours come from many shifts, calendar events, approvals, or payroll exports. Everhour can turn Google, Outlook, and iCloud calendar events into timesheet entries within a configurable time window, excluding all-day, recurring, and pre-connection events. Teams still need policy decisions for unpaid meals, state break rules, and overtime treatment before those entries become payroll-ready totals.
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Convert each time to a comparable value before subtracting. AM times usually stay in the 0 to 11.99 range, while PM times add 12 unless the time is 12:00 PM. For example, 2:15 PM becomes 14.25 and 9:00 AM becomes 9.00, so the span is 5.25 hours.
Add the overnight boundary before subtracting. A 9:00 PM start and 5:00 AM end spans 8 hours because the end time belongs to the next calendar day. In decimal form, use 29.00 for the next-day 5:00 AM end, then subtract 21.00.
Subtract lunch only when it is unpaid time. Under federal law, a bona fide meal period is generally unpaid only when the employee is completely relieved from duty, and it commonly lasts 30 minutes or more. An employee who performs duties while eating is still working, so that time stays in the paid-hours total.
Use the single-shift result as one input, then total all hours worked in the fixed workweek. An FLSA workweek is 168 fixed hours, made of seven consecutive 24-hour periods, and hours cannot be averaged across multiple workweeks for overtime. Covered, nonexempt employees receive FLSA overtime after 40 hours in that workweek.
Payroll decimal hours use base 10, while clock minutes use base 60. Divide minutes by 60 before adding them to the hour total. Forty-five minutes divided by 60 equals 0.75, so 8 hours and 45 minutes equals 8.75 hours.
Everhour integrates with Google, Outlook, and iCloud calendars so events with defined start and end times can become timesheet entries. Users choose a sync window from 15 minutes to 3 hours before or after events, while all-day, recurring, and pre-connection events do not sync.
Connect calendar events to timesheet entries, review the resulting hours, and keep policy decisions separate from raw time arithmetic. Everhour supports cleaner payroll and billing handoffs.
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