Book of Indian Eras, with Tables for Calculating Indian Dates c30.3

c30.3

The accompanying tables for ascertaining the week day of any date either before or after Christ, and according to either the Julian or Gregorian reckoning, were prepared by myself more than twenty years ago. Since then I have had ample opportunities of testing their usefulness in facilitating the very common operation of finding the week day of any given date. According to my experience, their use is both more rapid and less troublesome than any others that I have tried. Every week day is shown at once by simple inspection. I have also invented the following short process for finding the initial day of any year of the Old Style or Julian reckoning.