Julian year

noun

A year in the old Julian calendar that has either 365 or 366 days.

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Meanings

nounJulian year (plural Julian years)

plural Julian years

  1. historicalA year in the old Julian calendar that has either 365 or 366 days.
  2. astronomyA unit of measurement of time defined as exactly 365.25 days of 86400 SI seconds each.

Translations

Finnish juliaaninen vuosi, juliaaninen vuosi
  • juliaaninen vuosiyear in Julian calendar
  • juliaaninen vuosiaverage year
Italian anno giuliano, anno giuliano
  • anno giulianoyear in Julian calendar
  • anno giulianoaverage year
Cite this entry
APA

Julian year. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Julian%20year

MLA

“Julian year.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Julian%20year. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “Julian year,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Julian%20year.

Source: Julian year on Wiktionary, CC BY-SA 4.0.