At the moment, ProjectTool.Duration is calculated per minute.

Example:

CreationDate: 29.06.2026, 07:00

ProjectFinishedDate: 30.06.2026, 06:00

Duration: 0.96 (days)

Would it make sense to add a global option to choose between different calculation modes?

CalculateExact – current behavior, exact calculation in days (e.g., 0.96)

24-h-Rule (like in car sharing) – any period up to 24 hours counts as 1 full day → result: 1

CountEveryDay – every calendar day touched counts as a full day → result: 2

Currently, these custom rules can only be enforced at the report level.