...
This Anticipated Completion date can be influenced by other factors:
Calendar Days vs Working Days
The duration can be set as Calendar Days or Working Days. Working Days are assumed to be Calendar Days less weekends. To be more accurate with Working Days, you may use the Construction Calendar as a reference. This will ensure that any days other than weekends that are set to non-possible, such as public holidays or office shutdown periods, are excluded from the Working Days count.
The use of the calendar for the calculation is set with Security Preference: Framework ECM > Production > -10022 Use Construction Calendar for Contract Working Days.
Days After Method
The number of days after the selected method for which duration starts.
...