inter-calary

Updated: May 15, 2025

With the same view the improvers of the Roman calendar intended while otherwise retaining the current calendar in the two inter-calary years of the four years' cycle to shorten not the intercalary months, but the two Februaries by 7 days each, and consequently to fix that month in the intercalary years at 22 and 21 days respectively instead of 29 and 28.

Theodor Mommsen - The History of Rome (Volumes 1-5)

With the same view the improvers of the Roman calendar intended while otherwise retaining the current calendar in the two inter-calary years of the four years' cycle to shorten not the intercalary months, but the two Februaries by 7 days each, and consequently to fix that month in the intercalary years at 22 and 21 days respectively instead of 29 and 28.

Theodor Mommsen - The History of Rome, Book II : From the Abolition of the Monarchy in Rome to the Union of Italy