TO FIND AND WRITE MASONIC DATES.
Reading edition
Lodge.—(Anno Lucis—the year of light). Add 4,000 to the common year; thus, for 1903, write: A. L. 5903.
Chapter.—(Anno Inventionis—the year of discovery). Add 530 to the common year.
Council.—(Anno Depositionis—the year of deposit). Add 1,000 to the common year.
Commandery.—(Anno Ordinis—the year of the order). Subtract 1,118 from the common year.