Julian year
Definition from Wiktionary, a free dictionary
[edit] English
[edit] Noun
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Singular |
Plural |
Julian year (plural Julian years)
- (history) A year in the old Julian calendar (which started on different dates).
- (astronomy) An "average year" of 365 days and six hours, used for convenience of quick calculations, as opposed to a calendar year of either 365 or 366 days, and a mean tropical year of 365 days, 5 hours, 48 minutes and 45 seconds.
