How Can I Calculate Business Hours Between Two Timestamps in Oracle SQL?

Calculating Hours Considering Business Hours in Oracle SQL

You have a dataset containing the start and end times of tasks. You seek a method to calculate the hours between these times, adhering to business hours defined as Monday through Saturday from 08:00 to 18:00.

Solution

To account for business hours, a calculation that incorporates the following principles is recommended:

1. Weekday Adjustments: Determine which portions of the start and end times fall within the business hours of the weekday (Monday-Saturday).
2. Weekend Considerations: Exclude any portions of the time that occur during non-business hours on weekends (Sunday).
3. Extension to Full Days: Based on the weekday adjustments, extend the durations from partial days to complete business days.
4. Aggregation of Total Hours: Sum the hours calculated for each business day to obtain the total hours for the task.

Utilizing these principles, the result is a calculation that accurately reflects the number of business hours within the specified start and end time range. This calculation is particularly useful for tasks that span multiple business days.

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