RSEIS (version 2.1-6)

EPOCHday: Epoch Day

Description

Number of days since Origin Year

Usage

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

Arguments

yr

year

jd

Julian Day

origyr

origin year, default=1972

Value

• List:
• jday
  number of days since the start of origin year
• origyr
  origin year used

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  )