Ever wonder what day of the week you, or an ancestor, were born, or married? Or, for a particular Civil or Revolutionary War battle, what day of the week it occurred? Well, now it is easy to calculate the day of the week for any of these, provided you know the date. This calculator works within rather wide limits, and is by Gary Bastin. It is uniquely available only on the BASTIN Family Website!
For example, Thomas 'Tommie' Bastin (III) was injured by enemy fire on September 2, 1864 just south of Jonesboro, GA. From the calculator below, one sees this was on a Friday. His left arm was then amputated in a field hospital the next day, on Saturday, September 3, 1864.
Usage Limitations: Netscape Navigator 3.0, or a newer browser, with JavaScript enabled, is required; Netscape 2.0 will not work. This calculator works for any day from January 1, 1753 through December 31, 4902, covering most any need! Leap year problems, and the Year 2000 problem, are non-existent for this calculator. It is not going to quit working on January 1, 2000! The algorithm is based on a 19th Century Algorithm known as Zeller's Congruence. (Reverend Zeller was a minister who studied math as a hobby, and first discovered this method.) Caution: Make sure you only enter valid dates! Minimal error checking is done for valid inputs, and no error checking is done to exclude erroneous dates such as February 30 or February 31. Instead, it is assumed that you really want to compute the day of the week of these dates as if they did exist 1, 2, or 3 days after the last day of February in some year! Incidentally, you can also figure out if a particular year is a leap year by seeing if February 29 and March 1 of this year are on the same day of the week, using this same feature!
Select the day and month. Type in the year:
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