Historic Calendars of Europe

1. About Calendar Reform

1a. The Solar-Year Problem

1b. The Missing-Day Problem

1c. The New-Year's-Day Problem

1d. The Two-Step-Adoption Problem

1e. The Variable-Adoption Problem

2. Localization in the hcal program

3. Algorithm for Generating Julian and Gregorian Calendars

4. Partial Listing of New Year's Dates

5. Sources for Determining Transition Dates

Craig Stuart Sapp, craig@ccrma.stanford.edu
Eleanor Selfridge-Field, esf@ccrma.stanford.edu