I wasn't sure where to place this question, but it is driving me crazy. What defines the first, second, third, fourth, possibly fifth weeks of a give month? Is there any standard, or is it all subjective?
The title says it all. For accounting purposes in the Usa, when does the ""first week""" of a month considered to start? Is it 7 days minus the first sunday or monday in that month? So, in may 2013, the first sunday is cinco de mayo (the 5th) and if you subtract 7 days from that you get april 28. So is the first week of may april 28 to May 5? April 29 to may 5?
What is the date range for the """"last week"""" or 4'th week (or is the the fifth week of may 2013?