This chart is for ascertaining the day of any given date between 1800 and 2050.
To use it, first find the year in question. Then on the right find the month and note the
number beneath it relevant to that year, scroll down and select that number chart at the bottom
to see which weekday corresponds with that number. For example: 21st March 1984; 1984 was a Leap
Year and March is under number 4. Chart 3 shows the 21st to have been a Wednesday.