Work Hours and Overtime Hours Calculator

How working hours and overtime hours are counted

Hours worked = finish time − start time − break. Overtime hours for a day = hours worked beyond 8. The days are then added up.

• If the finish time is earlier than the start time, the shift ran past midnight.
• Breaks are only taken off if you enter them, in minutes.
• Totals are shown in hours and minutes, and the overtime also in decimal hours (1 h 30 min = 1.5).

A worked example

A garment worker works 8:00 to 19:00 six days a week, with a 1-hour lunch break:

1. Each day: 19:00 − 8:00 = 11 hours, minus 1 hour break = 10 hours worked.
2. Overtime each day: 10 − 8 = 2 hours.
3. The week: 6 × 10 = 60 hours worked, 48 regular and 12 overtime.
4. 60 hours is the most section 102 allows in any week, so this week is at the limit.

Then put the 12 hours into the overtime pay calculator to see them in taka, and the salary calculator for the month’s take-home pay.

What the Labour Act says about hours

• Section 100: an adult worker normally works no more than 8 hours a day, and up to 10 hours a day when overtime is worked under section 108.
• Section 101: a worker need not work more than 6 hours a day without a 1-hour break, or more than 5 hours without a 30-minute break (the full rules, including two half-hour breaks, are in the section).
• Section 102: normally no more than 48 hours a week; with overtime no more than 60 hours in any week, and an average of no more than 56 a week over a year.
• Section 108: overtime is paid at twice the ordinary rate of basic wage and dearness allowance.

The calculator flags a day over 10 hours and, when you enter up to 7 days, a week over 48 or 60 hours. Some sectors and shift systems have exceptions in the Act, so treat the flags as a guide.

Assumptions

• Overtime is counted day by day, as hours beyond 8 in that day. The weekly total is shown for information.
• Whether a break counts as working time depends on your workplace, so you decide what to enter.
• Work on a weekly holiday or festival holiday has its own rules in the Act and is not treated separately here.
• Your employer’s attendance records and payslip are what count.

Keeping track of leave as well? The earned leave calculator works out annual leave from days worked, and the Labour Act 2026 guide covers what changed this year.

How to use the calculator

1. For each day, enter the time you started and finished.
2. Enter your break in minutes, or leave it blank.
3. Add more days (up to 31) or leave unused rows blank.
4. Select Calculate hours to see total, regular and overtime hours, day by day.

Your times stay in your browser. They are saved only in your recent calculations on this device, which you can turn off.

Sources

• বাংলাদেশ শ্রম আইন, 2006, ধারা 100 (daily working hours)
• বাংলাদেশ শ্রম আইন, 2006, ধারা 101 (rest or meal breaks)
• বাংলাদেশ শ্রম আইন, 2006, ধারা 102 (weekly working hours)
• বাংলাদেশ শ্রম আইন, 2006, ধারা 108 (Bangladesh Labour Act 2006, section 108)

Read on the government’s Laws of Bangladesh site on 2 November 2026. This page is general information, not legal advice.