English noun: Old Style calendar | |||
1. | Old Style calendar (time) the solar calendar introduced in Rome in 46 b.c. by Julius Caesar and slightly modified by Augustus, establishing the 12-month year of 365 days with each 4th year having 366 days and the months having 31 or 30 days except for February | ||
Synonyms | Julian calendar | ||
Broader (hypernym) | solar calendar | ||