How do you interpret the wording of these different day count milestones?

Member for

19 years

If you used Finished Milestone instead of Start Milestone, it will not give extra day on the roll up. It is also a good practice having a WBS NTP Milestone and a separate WBS Stage/ Phase with start milestone.

Member for

12 years 6 months

OK, I agree with both of your interpretations.  Doesn't this give your roll up bars and extra day? Don't you have to have two start milestones then, I do, and I have to put the NTP in a different WBS to keep it from rolling up and adding the day to summary bars - you don't want to have explain in meetings why it is wrong.  I am seeing it more, but it is in-consistent.

Member for

12 years 6 months

OK, I agree with both of your interpretations.  Doesn't this give your roll up bars and extra day? Don't you have to have two start milestones then, I do, and I have to put the NTP in a different WBS to keep it from rolling up and adding the day to summary bars - you don't want to have explain in meetings why it is wrong.  I am seeing it more, but it is in-consistent.

Member for

16 years 3 months

5 days after NTP to me should not count the date of the issuance of NTP. What if the issuance is at 5:00 pm the day is already over you really can do anything on that day. 

Member for

19 years

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Member for

19 years

Typical contract always stated “NTP +” therefore after NTP. If the contract states NTP0 meaning day 0 is NTP and day 1 is after NTP. I have not encountered a contract that NTP is counted as day 1 because it is debatable especially the timing when the NTP was serve.