Everhour embeds time tracking in supported project tools, while accurate time differences still start with clean start and end times.
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A time difference calculation answers the practical question: how much time passed between a start time and an end time. For timesheets, that usually means total shift length, paid hours after unpaid breaks, or the gap between two work events. The result can stay in hours and minutes for review or convert to decimal hours for payroll and billing.
For U.S. timesheets, keep the arithmetic separate from the pay rule. First calculate hours actually worked. Then apply the relevant rule, such as the FLSA federal baseline for covered, nonexempt employees: overtime pay applies to hours worked over 40 in a fixed 168-hour workweek at not less than 1.5 times the regular rate.
Start with the exact start time, exact end time, and any unpaid break time. U.S. English timesheets commonly use month/day/year and a 12-hour AM/PM format, so 7:00 AM and 7:00 PM are different inputs. A missing AM or PM marker can turn a 9-hour shift into a 21-hour error.
Short employer-provided breaks, usually about 5 to 20 minutes, count as compensable hours worked under federal law. A bona fide meal period is generally unpaid only when the employee is completely relieved from duty. If the employee performs duties while eating, that time remains hours worked and stays in the time difference total.
For a same-day shift, subtract the start time from the end time, then subtract unpaid break time. A 9:00 AM to 5:00 PM shift has 8 gross hours. With a 1-hour unpaid meal period, paid time equals 7 hours. Payroll systems usually store that as 7.00 decimal hours.
For an overnight shift, split the span at midnight. If someone starts at 10:00 PM, ends at 7:00 AM, and takes a 1-hour unpaid meal period, the gross time is 2 hours before midnight plus 7 hours after midnight, or 9 hours. Paid time is 8 hours. At $32.50 per hour, straight-time pay is $260.00 before taxes, deductions, overtime, or premiums.
A one-off time difference is enough when you need to check one shift, price one block of billable work, or fix one obvious timesheet entry. The calculation needs only start time, end time, and unpaid break time. The result should show both hours and minutes and decimal hours when payroll or billing uses decimal totals.
A managed workflow matters when time entries repeat across projects, people, approvals, and payroll periods. Everhour connects with tools such as Asana, ClickUp, GitHub, Jira, Monday, Notion, Trello, QuickBooks, and Xero, and embeds tracking controls inside supported project workflows so project and task context stays attached to time records.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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Subtract the start time from the end time. If both times fall on the same day, 8:30 AM to 4:30 PM equals 8 hours. If the end time is after midnight, add the hours from the start time to midnight, then add the hours from midnight to the end time.
Convert the times to a 24-hour clock before subtracting. For example, 2:00 PM becomes 14:00, while 2:00 AM stays 02:00. This prevents a 12-hour mistake. The standard U.S. short time format uses a 12-hour AM/PM pattern, so the marker is part of the input.
Unpaid breaks reduce paid time, not gross elapsed time. Under the federal baseline, short employer-provided breaks of about 5 to 20 minutes are compensable hours worked. A bona fide meal period is generally unpaid only when the employee is completely relieved from duty.
Calculate the time from the start time to midnight, then add the time from midnight to the end time. A shift from 11:00 PM to 6:00 AM equals 1 hour before midnight plus 6 hours after midnight, for 7 gross hours before any unpaid break deduction.
A single time difference total does not decide federal overtime by itself. Under the FLSA federal baseline, covered, nonexempt employees receive overtime pay for hours worked over 40 in a fixed 168-hour workweek. Hours cannot be averaged across multiple workweeks for overtime.
Everhour embeds tracking controls inside supported project tools and syncs project, task, tag, estimate, and custom-field context into time records. Teams can track time where the work happens, then review timesheets and budgets without manually re-keying the same start, end, and project details.
Everhour supports team timesheet exports and report exports in formats such as CSV, Excel/XLSX, and PDF. Managers can approve submitted time before payroll or billing review, then use the exported totals as a cleaner handoff record.
Track time inside connected project workflows, review approved timesheets, and keep project context attached from entry to export with Everhour integrations.
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