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We have 4 activities which have same calendar : Standard 5 day workweek. We use Total Float to calculate Critical path. The result is this:
When I change A1020 activity’s calendar to 1 Day Workweek. We use Total Float to calculate Critical path. The result is this:
You can see it’s wrong critical path.
Now when you choose Longest path option. It will become like this:
Now the critical path is better
So when you have multiple calendar project, consider to use Longest path option.
