jdcnv: Convert Gregorian dates to Julian days
In astrolibR: Astronomy Users Library
Description
Usage
Arguments
Value
Author(s)
Examples
Description
Convert Gregorian dates to Julian days
Usage
1
jdcnv(yr, mn, day, hr)
Arguments
yr
year, integer scalar or vector
mn
month, integer (1-12) scalar or vector
day
day, integer 1-31) scalar or vector
hr
hours and fractions of hours of universal time (U.T.), scalar
or vector
Value
julian
Julian date
Author(s)
Converted to IDL from Yeoman's Comet Ephemeris Generator, B. Pfarr, STX, 1988
R adaptation by Arnab Chakraborty (June 2013)
Examples
1
2
3
4
# To find the Julian Date for 1978 January 1, 0h (U.T.)
# Result: julian = 2443509.5
jdcnv(1978, 1, 1, 0.)
Example output
[1] 2443510
astrolibR documentation built on May 2, 2019, 3:26 a.m.
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Description Usage Arguments Value Author(s) Examples
Description
Convert Gregorian dates to Julian days
Usage
1 | jdcnv(yr, mn, day, hr)
|
Arguments
yr |
year, integer scalar or vector |
mn |
month, integer (1-12) scalar or vector |
day |
day, integer 1-31) scalar or vector |
hr |
hours and fractions of hours of universal time (U.T.), scalar or vector |
Value
julian |
Julian date |
Author(s)
Converted to IDL from Yeoman's Comet Ephemeris Generator, B. Pfarr, STX, 1988
R adaptation by Arnab Chakraborty (June 2013)
Examples
1 2 3 4 | # To find the Julian Date for 1978 January 1, 0h (U.T.)
# Result: julian = 2443509.5
jdcnv(1978, 1, 1, 0.)
|
Example output
[1] 2443510
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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