If only the first day of every month began on a Sunday. But the calendar gods — from assorted mythologies — Janus Roman , Thor Norse , the Sun god Egyptian , others who I dare not offend — have conspired against us and so we have to figure that out for ourselves. The first of any month can fall on any day of the week. The first Sunday of any month matrix can be any one of seven different dates. Therein lies the tricky part of creating a formula that can handle the vagaries of time.
To find the date of the first Sunday of any month matrix, you need to find the date of the first of the month, subtract the day of the week number, and then add 1. Here are the seven possibilities for any month, using January as an example:. For the years to , in each position in a calendar grid, calculate the correct date number from 1 to 31 and display that number, but only within the month matrix that the date occurs. If a picture is worth a thousand words, then a demo is worth a million.
Watch the following demo to see how the perpetual calendar works and how the formulas and names are used to calculate the correct dates. They are useful for many years.
Excel Perpetual Calendar Template isaacsoft. Excel Perpetual Calendar Templates can be created as monthly and yearly formats and can be used in a permanent manner.
Perpetual Calendars help us look at any date with the related day of a particular year at a glance. The main advantage of using them is that yearly calendars can be avoided. Instead of waiting for a yearly calendar to be printed after three years, we can easily know what day it will be for a particular date after many years.
Now, you can download the theme-enabled versions listed above if you want a way to easily pick different colors for your calendar. We've created many different calendar templates since this original one. To use one of the calendar templates from the Microsoft template gallery, follow these steps after opening Excel:. Excel Calendar Template The Original - over 2. Follow Us On Instead, just post a link to this page on your website or blog, or send the link in an email. If you want to use this calendar template to create a calendar for your organization, club, school, or group , you may print as many copies as you want or share the calendar online only if 1 you don't remove the copyright notices and hyperlinks 2 you create a PDF version or GIF, JPG, etc.
Sharing our Calendar If you like our perpetual calendar template and would like to share it with others, I appreciate your enthusiasm, but please note the terms of use and do not upload the calendar template or any modified version of our calendar spreadsheet to any public website.
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