=TIME(Hours,Minutes,Seconds) Times is necessarily a decimal value In Excel, hours are always a fraction of a day. So it is necessarily decimal numbers (ALWAYS). This rule is fundamental to avoid mistakes in calculation and display. For instance, in the following picture, we have the value 0.5 in a cell. If we change the format number to the Time format, we have 12 hours this time. This is logical because 12 hours is the middle of the day, so 0.5 day 😉 Most people use integer numbers to write their time values. It's a fact that writing a time in Excel is not easy because you must use the symbol colon ( : ), like 12:00:00. Many people prefer to write the value 12 (an integer number). But when you apply a Time format to an integer number, the only result you have it's 00:00:00 😱😱😱 TIME function to transform your […]
=WEEKDAY(Date,Localization) How to use the WEEKDAY function The WEEKDAY function operates with minimal arguments, just a date =WEEKDAY(A1) Yet the returned result may pose confusion. The 13/11/2023 is a Monday and the WEEKDAY function returns 2; WHY? The function, developed by Microsoft, an American company, reflects the U.S. convention where the week starts on Sunday, making Monday the second day. This is why, if you don't use the same US convention for the first day of the week, the results of the WEEKDAY function can insert errors in your report. Explanation of the second argument The second parameter is optional but very useful if you are NOT in USA or Canada. While Monday is the default first day for most countries globally, specifying this argument ensures accurate calendar settings. You can set values for the second argument as follows: The screenshot displays the different results returned for the same date […]
In Excel the way to return the week number is based on the American system. But most of countries use the ISO system. What is the technique to avoid mistakes.
It's not easy to make calculation with time in Excel, especially if you want to do calculation for tenths, hundredths and thousandths.In this article, you will have all the explanations to do such calculation.
This article present how can create an automatic calendar in excel to avoid and refresh manually your worksheet, step by step. Tutorial video available.