julian period
1Julian period — Julian Jul ian (?; 277) a. [L. Julianus, fr. Julius. Cf. {July}, {Gillian}.] Relating to, or derived from, Julius C[ae]sar. [1913 Webster] {Julian calendar}, the calendar as adjusted by Julius C[ae]sar, in which the year was made to consist of… …
2Julian period — ▪ chronology chronological system now used chiefly by astronomers and based on the consecutive numbering of days from Jan. 1, 4713 BC. Not to be confused with the Julian calendar, the Julian period was proposed by the scholar Joseph Justus… …
3julian period — noun Usage: usually capitalized J Etymology: julian, adjective : a chronological period of 7980 Julian years that combines the solar and lunar cycles and the Roman indiction cycle and is reckoned from the year 4713 B.C. when the first years of… …
4Julian period — a unit of time equal to exactly 7980 years in the Julian calendar, that is, exactly 2 914 695 days. See Julian day, above …
5Julian — Jul ian (?; 277) a. [L. Julianus, fr. Julius. Cf. {July}, {Gillian}.] Relating to, or derived from, Julius C[ae]sar. [1913 Webster] {Julian calendar}, the calendar as adjusted by Julius C[ae]sar, in which the year was made to consist of 365 days …
6Julian calendar — Julian Jul ian (?; 277) a. [L. Julianus, fr. Julius. Cf. {July}, {Gillian}.] Relating to, or derived from, Julius C[ae]sar. [1913 Webster] {Julian calendar}, the calendar as adjusted by Julius C[ae]sar, in which the year was made to consist of… …
7Julian epoch — Julian Jul ian (?; 277) a. [L. Julianus, fr. Julius. Cf. {July}, {Gillian}.] Relating to, or derived from, Julius C[ae]sar. [1913 Webster] {Julian calendar}, the calendar as adjusted by Julius C[ae]sar, in which the year was made to consist of… …
8Julian year — Julian Jul ian (?; 277) a. [L. Julianus, fr. Julius. Cf. {July}, {Gillian}.] Relating to, or derived from, Julius C[ae]sar. [1913 Webster] {Julian calendar}, the calendar as adjusted by Julius C[ae]sar, in which the year was made to consist of… …
9Julian day — JDN redirects here. For the military IT system, see Joint Data Network. For the comic book character Julian Gregory Day, see Calendar Man. Not to be confused with Julian year (disambiguation). Julian day is used in the Julian date (JD) system of… …
10Julian day — (JD) a continuous count of days beginning with January 1, 4713 BC ( 4712 CE), which is start of what is called the Julian period. The French scholar Joseph Justus Scaliger (1540 1609) introduced the Julian period in 1582 (the same year the… …
