old_style_calendar | ||
1. | [ noun ] 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: | Old_Style Julian_calendar | |
Related terms: | solar_calendar | |