Our schedule was set to 9.5 hour days, which we would like to keep, but I can see that this would add up to 38 hours over 4 days, so it must be rounding off the 5th. I also found that our typical work day was set to 7.5 hours. A combination of these seems to impact the day duration. Leaving the 9.5 ...

If I add a new task with a duration of 5 days with a start date of March 11, the end date will be March 14 instead of March 15th (Expected), which is only 4 days. This continues to happen regardless of date. I can't find anything explaining how a "day is calculated Adam