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How to use intercalation in a sentence
Before the intercalation the dominical letter had retrograded one place less.
Dion Cassius in expressing the rule as to intercalation uses the phrase, διὰ πέντε ἐτῶν.Plutarch's Lives Volume III. | Plutarch
The periods of intercalation were at first every two years, then three, and lastly four, and eight.
In the days of Numa it consisted of twelve lunar months, with a system of intercalation something like that of the Greeks.
It was with a view to that object principally that each Grecian city arranged its calendar and its system of intercalation.