Our Calendar / The Julian calendar and its errors. How corrected by the Gregorian. Rules for finding the dominical letter, and the day of the week of any event from the days of Julius Caesar 46 B.C. to the year of our Lord four thousand; a new and easy method of fixing the date of Easter. Hebrew calendar; showing the correspondence in the date of events recorded in the Bible with our present Gregorian calendar. Illustrated by valuable tables and charts.

A practical and historical study of the calendar explains the origin and reforms of Roman timekeeping, traces the errors of the Julian system, and details the correction introduced under Gregory while defining key calendar terms. It provides clear, algorithmic rules for finding the dominical letter and the weekday of any date from the beginning of the Christian era through the year 4000, with guidance for dates before Christ. The work examines solar and lunar cycles, the Julian period, and church methods for computing Easter, offers a simplified procedure for fixing Easter and related movable feasts, and includes tables, charts, and a chapter on the Hebrew calendar.