## Which month is this week in?

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• Hi all, I need some help please (and this is no April fools joke). Can you tell me if 8601 or any other ISO standard provides a method to determine which month
Message 1 of 2 , Apr 1, 2004
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Hi all,

I need some help please (and this is no April fools joke).

Can you tell me if 8601 or any other ISO standard provides a method
to determine which month a week falls in the same way 8601 talks
about the first week of a year?

I am using 8601 as my guide. The standard says, "...the first
calendar week of a year is the one that includes the first Thursday
of that year". So by the same logic, when a Mon-Sun week bridges two
months, wherever Thursday falls, that is the first week of any given
month.

Per my current convention, the current week, 3/29-4/4 is the first
week of April, because Thursday is April 1.

I am tracking call center metrics by week and month and I need the
sum of my weekly totals to tie to the monthly totals for any given
month. Our reporting week is defined as Mon-Sun.

So here is my problem: there are people questioning my method of
determining the first week of a month. Because, since most of our
activity occurs Mon-Fri, the balance of our calls for 3/28-4/4 (Week
1 of April by my accounting) actually occur in March (Mon-Wed).
They argue that most of the work week is actually in March.

I recognize that this is one reason why we have standards so the
whims of that masses do not overwhelm logic and the need for
consistency. But I need to be practical as well.

I would appreciate if someone more knowledgeable than me could point
me to a standard to support my position or a correction of my method.

Thanks and regards,

Greg
• ... As far as I know, ISO 8601 DOES NOT determine which month a week falls in the same way 8601 talks about the first week of a year. It means that what you
Message 2 of 2 , Apr 18, 2004
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--- In ISO8601@yahoogroups.com, "Greg" <Erutus@m...> wrote:
...
> Can you tell me if 8601 or any other ISO standard provides a method
> to determine which month a week falls in the same way 8601 talks
> about the first week of a year?
...
> So here is my problem: there are people questioning my method of
> determining the first week of a month. Because, since most of our
> activity occurs Mon-Fri, the balance of our calls for 3/28-4/4 (Week
> 1 of April by my accounting) actually occur in March (Mon-Wed).
> They argue that most of the work week is actually in March.

As far as I know, ISO 8601 DOES NOT determine which month a week falls
in the same way 8601 talks about the first week of a year. It means
that what you ask about the first week in a month IS NOT in ISO 8601.
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