Saudi Arabia combines a summer midday ban with heat-index-based break requirements and a stop-work threshold.
Open Saudi MHRSD Heat Stress Rule in the interactive Guidance Wiki →
No standalone formula is published for this standard; see programmable logic and parameters below.
Scenario: outdoor, sun-exposed work · representative date: the 15th of each month · time: 13:00
| Month | Ban active? | Banned hours |
|---|---|---|
| January | No | — |
| February | No | — |
| March | No | — |
| April | No | — |
| May | No | — |
| June | Yes | 12:00–15:00 |
| July | Yes | 12:00–15:00 |
| August | Yes | 12:00–15:00 |
| September | Yes | 12:00–15:00 |
| October | No | — |
| November | No | — |
| December | No | — |
Required inputs: date
Optional inputs: time, shiftStart, shiftEnd, outdoorSunExposed, outdoor, heatIndexC, heatIndexF, airTempC, relativeHumidity
This standard was added to the calculator.
Get notified when Saudi MHRSD Heat Stress Rule changes — threshold changes, scope and legal-status changes, additions and removals. Changes that permit more heat exposure than before are labelled as such.
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