WEEKDAY() calculates the day of the week. Fortunately, Excel has functions for just those purposes. We’ll also check to make sure the dates appear in the same year. In order to calculate a Week-To-Date column, we need to be able to compare the week that each row occurs in and the day of the week for each row. How does a Week-To-Date calculation work? It starts at the beginning of the week and adds up all the rows that occur in the same week of the same year, up until the current day. When we are done with this exercise, we are going to hide the helper columns to make the spreadsheet easier for other people to read. It’s called a “helper” column, because while it helps get the result you need in the final column, it’s usually not useful by itself. To make the process simpler and make the formulas easier to understand, we’re going to use a number of helper columns to spread out the work and simplify the logic involved.Ī helper column is a column that calculates a number for use in other formula cells. We are going to add Week-To-Date, Month-To-Date, and Year-To-Date columns to this spreadsheet. We already have a % Completed column that is re-calculated for each day. There’s a row for each day with a date stamp, a list of tasks available and tasks completed.
We seem to be looking at a basic date series.
#EXCEL WEEK NUMBER TO DATE HOW TO#
Let’s learn how to implement X-To-Date aggregate statistics using helper columns, Excel date functions, and SUMIFS. Aggregate statistics like Week-To-Date, Month-To-Date, and Year-To-Date performance data can often be easier to read and tell you more about what’s actually going on. It is difficult to tell, at a glance, whether performance indicators are trending upwards, downwards, speeding up, or slowing down. When you are working with date-stamped data imports, the volume of information can be overwhelming.
#EXCEL WEEK NUMBER TO DATE ISO#
This system is the methodology specified in ISO 8601, which is commonly known as the European week numbering system.Įquivalent of the YEARFRAC-Function in Excel. System 2 The week containing the first Thursday of the year is the first week of the year, and is numbered as week 1. System 1 The week containing January 1 is the first week of the year, and is numbered week 1. There are two systems used for this function: For example, the week containing January 1 is the first week of the year, and is numbered week 1. ",ĭocumentation.LongDescription = " Returns the week number of a specific date. Equivalent of the YEARFRAC-Function in Excel. Result = if Return_type = 21 then IsoWeek else Defaultĭocumentation.Description = " Returns the week number of a specific date. LastWeekOfThisYear = getNaiveWeek(#date(thisYear, 12, 28)),ĭefault = Date.WeekOfYear(Date, ConvertedNumber), LastWeekOfPriorYear = getNaiveWeek(#date(priorYear, 12, 28)), NaiveWeek = Number.RoundDown((ordinal – weekday + 10) / 7) WeekdayOfJan4th = getDayOfWeek(#date(Date.Year(inDate), 1, 4)),
Result = 1 + Date.DayOfWeek(d, Day.Monday)
IsoWeek = // this function comes from r-k-b on Github: PQ native Date.WeekFromYear starts to count from 0(Sunday) to 6(Saturday) as opposed to Excel from 1(Sunday) to 7(Saturday) For a detailled description about the options of the Return_types see the official documentation: (Date as date, optional Return_type as number) =>
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