CAADate_DateToJD: CAADate_DateToJD

In helixcn/skycalc: Computational Astronomy in R based on PJ Naughter's AA+ library

Description

CAADate_DateToJD

Usage

CAADate_DateToJD(Year, Month, Day, bGregorianCalendar)

Arguments

Year	Year The year. (Years are counted astronomically i.e. 1 BC = Year 0) Year The year. (Years are counted astronomically i.e. 1 BC = Year 0)
Month	Month The month of the year (1 for January to 12 for December).
Day	Day The day of the month (Can include decimals).
bGregorianCalendar	bGregorianCalendar true to imply a date in the Gregorian Calendar, false means use the Julian Calendar.

Value

Julian Date

Author(s)

C++ code by PJ Naughter, imported to R by Jinlong Zhang

References

Meeus, J. H. (1991). Astronomical algorithms. Willmann-Bell, Incorporated.

Examples

CAADate_DateToJD(Year = 2014, Month = 2, Day = 1, bGregorianCalendar = TRUE)

helixcn/skycalc documentation built on March 31, 2021, 5:45 a.m.