RSEIS (version 2.1-6)

EPOCHyear: Epoch Year

Description

Get year and julian day given number of days since origin

Usage

EPOCHyear(iday, origyr = 1972)

Arguments

iday

Number of days since origin

origyr

origin year, default=1972

Value

• List:
• yr
  Year
• jd
  Julian day in Year

See Also

EPOCHday, recdate

Examples

tyears  = 1973:2009

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

EPOCHyear(E1$jday,   origyr=1972  )

#######  here is an example using year Month and day of month
###  use March 19 for each year:
ii = tojul(tyears, 3, 19)-tojul(tyears, 1, 1)

E1 = EPOCHday(tyears, jd=ii,  origyr=1972       )

EPOCHyear(E1$jday,   origyr=1972  )