Odd duration display

[JimS]

I have a project where a sequence of tasks is on a different calendar. The
majority of the project is on the standard (5x7) calendar, measured in days.
A portion of it is on the 7x24 calendar, measured in hours. Within (neither
at the beginning, nor at the end) the 7x24 sequence, there is a summary task
with a dozen tasks under it. The summary sequence begins in late January 07
and ends in mid December 07. Should be about 20 days' duration, or 480
consecutive hours, give or take. The summary task, however, shows 66 days
duration. The summary task, like its subtasks, is on the 24/7 hourly
calendar. Why won't it show its duration in hours, and why does it show such
an inflated number of days in its duration?

Ideas?

 

[Jan De Messemaeker]

Hi,

Project calculates all durations in minutes.it as days but that is just a
facility; you cannot have 2 different definitions of "a day"
You can SHOW days, but they are always calculated as minutes /(60*Hours per
Day) and the latter constant can be found in Tools, Options, Calendar. Bet
it stands on 8 for you.
Think about it, that explains it.
If it doesn't go to the faqs (URL http://www.mvps.org/project/faqs.htm and
look for faq 5.
Hope this helps

 

[JimS]

I am unhappy with the notion that a "day" must be defined globally over the
entire project. A day for the folks in the middle of our project will be 24
hours, while a day for the folks at either end will be 8 hours. Anyway, since
I can't fix that, can I force the summary task to report its duration in
hours? All its subtasks are reported in hours duration.

 

[Jan De Messemaeker]

Yes.
Tools, Options, Schedule, Duration is entered in: Hours
HTH

 

[Bill Swain]

Jim,

Have you tried using elapsed days (e.g. 3 ed) in the durations for 24
hours. The use of elasped days has helped us with tasks that go for 24 hours
and are independent of weekends, etc.

Bill