Definition that contains 365 days
- julian calendar 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
- old style calendar 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
- anomalistic year time of the earth's revolution from perihelion to perihelion again; 365 days and 6 hr and 13 min and 53.1 sec