Employment law
Calculation of overtime
22 June 2026
Calculating overtime based on the hourly rate.
The hourly rate is the ratio of the basic salary to the contractual or
expected working time.
For a full-time contractual role, monthly working hours = 173.33
173.33 = (40 hours × 52 weeks) / 12 months
Hourly Wage (HW) = basic wage (by category) / 173.33.
Key points
Overtime is capped at 18 hours per week (A.138), but this does not apply to all collective agreements,
Under no circumstances may the 24-hour weekly rest period be compromised,
Night work refers to hours worked between 9.00 pm and 5.00 am,
A flat-rate payment for overtime is only valid if it is at least equivalent to the statutory rate.