![]() See below for the full list of return types:Įxcel prompts you for return type when entering a new formula, so you won’t need to memorize the return types associated with each configuration: If you want to use the default value, you do not need to enter an argument for return type. By default, a return type of 1 is used, meaning a value of 1 is Sunday and a value of 7 is Saturday. The function has two parameters – the date passed, which is required, and an optional parameter called “return type” which determines what days the numbers 1 through 7 correspond to. The WEEKDAY function returns the day of the week, in numeric value, of a date passed. To do so, I can use the WEEKDAY function. To glean any patterns associated with day of the week, I first need to determine each day of the week. For example, do I walk more on the weekends when I am not as busy with work? Now that I have my average steps by week, I would like to dive in deeper to see if there are any trends in my walking pattern by day of the week. Divide that result by 7 to convert to Week, and again add 1 so that we start with week 1 rather than week 2.Įither formula will produce the same result, shown below:Īrmed with the derived Week, we can now create a quick Pivot Table showing me the average steps per week: “=FLOOR(D2,7)/7+1” – Take the number of days and round to the nearest multiple of 7 (0, 7, 14, etc.).“=FLOOR(D2/7,1)+1” – Take the number of days and divide by 7 to derive the fraction of week “completed,” adding 1 so that we start with week 1 rather than week 0.We can do that using FLOOR, one of two ways. In our case, we need to derive the week from the given date, knowing we have a start date of 9/10. See below for a few examples of the result FLOOR would output, given the inputs of number and multiple specified: The function then rounds the number down to the nearest multiple passed. FLOOR takes two arguments – number and multiple. It takes whatever number is given and rounds that down to the nearest specified multiple. ![]() In other words, if we ignore the remainder, always rounding down, then the formula of (Days from the Start / 7 + 1) would give you the Week. In our example, those dates less than 7 days from the start are in Week 1, greater than 7 but less than 14 days are in Week 2, and so on. Now that I have Days from the Start, I can derive the week that each date falls in using the FLOOR function. As shown in the below screenshot, I have now calculated the Days from the Start using the formula “=DAYS(A2,$A$2)”, entered once, and dragged to the other cells: For end date, I pass the date cell for that row, and for start date, I pass an absolute reference of the start date of my goal () in this case. The DAYS function takes two arguments – end date and start date – and returns the number of days between those two dates. I start by determining the number of days that have elapsed since the start of my goal, using the DAYS function. Looking at the data above, 9/10 – 9/16 would fall into Week 1, 9/17 – 9/23 into Week 2, and so on, but I want Excel to determine the week number for me. I want to determine what week each date falls into, relative to my start date of. To do so, I will use the date function DAYS, along with supporting function FLOOR, in order to derive the week number (1, 2, 3, … 10). My next step is to be able to report weekly to see if I am meeting my goal. ![]() ![]() I have built a simple data tracker to track my daily steps: I have a spreadsheet where I will log my steps daily and need to report weekly whether my average step count meets my goal of 10,000 steps. In this first example, I have a goal of walking an average of 10,000 steps a day for the next 10 weeks, and would like to track my progress via a scorecard. In these examples, we are going to use one of them – WEEKDAY – as well as supporting numerical functions – FLOOR and TEXT. Email us at your ideas!Įxcel has numerous date and time functions that are very powerful in manipulating and deriving dates and times.
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