[英]Individual start date per month
首先我創建一個日歷表,這是簡單的部分,我隨機開始和結束進行測試:
CalendarDates = CALENDAR(DATE(2012;12;20);DATE(2021;1;5))
然后我添加了列 WeekNumber,這是公歷。 有點復雜,因為微軟只是從一月一日開始從 1 開始計數。
WeekNumber =
var wNrfirstDayJanNextYear = WEEKNUM(DATE(CalendarDates[Date].[Year] + 1;1;1);2)
var fullWeekNextYear = WEEKNUM(DATE(CalendarDates[Date].[Year] + 1;1;7);2) = 1 //If day 7 of week is still first week, its a full week
var wNr31Dex = WEEKNUM(DATE(CalendarDates[Date].[Year];12;31);2)
var wNr31DexPrevYear = WEEKNUM(DATE(CalendarDates[Date].[Year]-1;12;31);2)
var wNr = WEEKNUM(CalendarDates[Date];2)
var pbi4JanWeekNrNextYear = WEEKNUM(DATE(CalendarDates[Date].[Year] + 1;1;4);2)
var pbi4JanWeekNr = WEEKNUM(DATE(CalendarDates[Date].[Year];1;4);2)
var wNrComp = if (pbi4JanWeekNr =2; wNr - 1; wNr)
return if(NOT(fullWeekNextYear) && wNr = wNr31Dex;IF(pbi4JanWeekNrNextYear = 2; wNr31Dex;1);if(wNrComp = 0; wNr31DexPrevYear; wNrComp))
最后一步是根據周數創建月份:
Month =
var quater = FLOOR((CalendarDates[WeekNumber] - 1)/13; 1)
var quarterWeek = MOD(CalendarDates[WeekNumber] - 1 - (quater*13);13)
var monthNr = FLOOR(quarterWeek/4;1)
var month445 = if (monthNr = 3; 2; monthNr) + quater * 3 + 1
return if (month445 = 13; 12;month445)
注意:我在上個季度更正了第 53 周,所以它變成了 4-4-6。 如果你想要它不同,你需要做你自己的數學。
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