Julian year
Noun
Meaning
(historical) A year in the old Julian calendar that has either 365 or 366 days.
(astronomy) A unit of measurement of time defined as exactly 365.25 days of 86400 SI seconds each.
Source: en.wiktionary.orgSynonyms
Examples
As there exists an essentially complete list of the consuls, a Julian year can be found to correspond to the pre-Julian year.
On average, the astronomical solstices and the equinoxes advance by about 11 minutes per year against the Julian year.
Astronomical years Julian year main The Julian year, as used in astronomy and other sciences, is a time unit defined as exactly 365.25 days.
In astronomy, the Julian year is a unit of time ; it is defined as 365.25 days of exactly main seconds ( SI base unit ), totalling exactly main seconds in the Julian astronomical year.
It is currently less than the sidereal year and its duration is very close to the mean Julian year of 365.25 days.
The length of nineteen years in the cycle of Meton was 6,940 days, six hours longer than the mean Julian year.