RSEIS (version 4.2-4)

EPOCHday: Epoch Day

Description

Number of days since Origin Year

Usage

EPOCHday(yr, jd = 1, origyr = 1972)

Value

List:

jday

number of days since the start of origin year

origyr

origin year used

Arguments

yr

year

jd

Julian Day

origyr

origin year, default=1972

Author

Jonathan M. Lees<jonathan.lees.edu>

Details

Either jd or mo, dom can be provided

See Also

EPOCHyear, recdate

Examples

tyears   <-  1973:2009

E1  <-  EPOCHday(tyears, jd=1,   origyr=1972       )

EPOCHyear(E1$jday,   origyr=1972  )