>Hi everybody,
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>Given 52 weeks in a year and week definition (from Sat through Friday) I need to calculate Week's first day, week's last day and some other dates for the given year for each week. What would be a formula here?
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>Thanks a lot in advance.

Well, first there's SET FDOW TO 7. Second, there's SET FWEEK TO 3. But, there's an FAQ that can be used to determine the first Monday, Tuesday, Saturday or whatever of any month. Add six to get the last date of the week.