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Time & Date · Updated 2026

Work Hours Calculator

Calculate the actual hours worked in a day, minus the break — with night-shift support and hourly pay.

Enter the schedule

min
£/h

Enter the start, end and break. For night shifts, the end can be “next day”. The rate is optional.

=Hours worked
7:30
Gross span8:30
Break− 1:00
Decimal hours7.5 hrs

Precise calendar calculations. Everything is computed instantly in your browser, no account, no data sent. Leap years and Gregorian calendar rules are handled.

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iHow it is calculated

The start time is subtracted from the end time, then the break minutes. The result is shown in hours and minutes and in decimal hours; shifts crossing midnight are handled automatically:

hours worked = (end − start) − break

09:00–17:30 with a 60-min break = 7 hours 30 minutes = 7.5 hours decimal. At 50/hour: 375.

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?Frequently asked questions

How do I calculate hours worked in a day?

Enter the start time, end time and break minutes. For example, 09:00–17:30 with a 60-minute break = 7 hours 30 minutes worked (7.5 decimal hours).

How is the lunch break subtracted?

The break minutes are subtracted from the gross span. For an 8-hour-30 interval with a 60-minute break, 7 hours 30 minutes worked remain.

What are decimal hours?

It is the duration as a decimal number: 7 hours 30 minutes = 7.5 hours. The decimal form is used for timesheets and pay (hours × rate).

How do night shifts (past midnight) work?

If the end time is earlier than the start (e.g. 22:00–06:00), the calculator assumes the shift crosses into the next day and automatically adds 24 hours.

How do I calculate daily pay?

Enter the hourly rate; pay = decimal hours × rate. At 7.5 hours and 50/hour that is 375.

How many hours are in a full-time day?

In the UK a full-time day is typically 7.5–8 hours (37.5–40 hours a week), and the Working Time Regulations cap the average week at 48 hours unless you opt out. Compare the result with your contracted hours to check a day.

Does it differ from overtime?

Yes. This calculator gives the actual hours worked; overtime is the part exceeding the norm and may be paid at a premium, computed separately.

What is the work-hours calculator used for?

Timesheets, attendance sheets, billing work by the hour, freelancing and checking daily or per-shift pay.

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