Hi James,
We treat optional days as "working", which will lead to an overestimation of the amount of time requested.
We correct the overestimation in schedule generation/publishing using the paid hours (and times coming in June/July 2026) from the likely or scheduled shifts, and any rest days are credited back to the employees' Time Off balance.
If you are experiencing inconsistent behaviour, please raise a care ticket, and one of the team will help investigate the issue.
Paul
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Paul Wood
WFM Product Manager
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