Using weeks on the time scale

R

Roy

Can somebody tell me why this program shows 53 weeks instead of 52 for the
year, I am having one week behind all other calendars I am comparing with, as
far as I know very year has only 52 weeks.
Is it a sofware error? ,How can I fix it?
Thanks
 
R

Rob Schneider

Roy said:
Can somebody tell me why this program shows 53 weeks instead of 52 for the
year, I am having one week behind all other calendars I am comparing with, as
far as I know very year has only 52 weeks.
Is it a sofware error? ,How can I fix it?
Thanks
Click to expand...

365 days / 7 days/week = 52.14 which is greater than 52, which means if
you count weeks with integers, you'll get a 53rd week.
 
R

Roy

Thanks for your comments, I guess my next question would be, how can I set
only 52 weeks per year on MS Project?, so I can have my plan in line with
most other calendars outside of MS Project.
 
R

Rob Schneider

Roy said:
Thanks for your comments, I guess my next question would be, how can I set
only 52 weeks per year on MS Project?, so I can have my plan in line with
most other calendars outside of MS Project.
Click to expand...

This is not something that ever troubled me, so I don't know. Best I can
say is to not display week numbers on Gantt Charts and instead show the
date of day which marks the start of the week.

I looked for an example of "most" other calendars in my office. I can
find none that have only 52 weeks per year. I suppose if they started
counting at 0 it would work. My pocket calendar published by Collins has
Week No. 53 assigned to the week starting Monday Dec 28, 2009. (I could
quibble why they started week counting on Monday rather than Sunday, or
Wednesday, or whatever, but that a different debate).

We have to blame the people who invented calendars. (Why is a day not 24
hours? Why is leap year required? Why don't we use decimal number of
days per month? Why are there not 14 months in year?)
 
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