subroutine w3fs26(JLDAYN, IYEAR, MONTH, IDAY, IDAYWK, IDAYYR)
Computes year (4 digits), month, day, day of week, day of year from julian day number.
subroutine w3reddat(it, rinc, dinc)
This subprogram reduces an ncep relative time interval into one of seven canonical forms,...
subroutine w3movdat(rinc, idat, jdat)
This subprogram returns the date and time that is a given NCEP relative time interval from an NCEP ab...
function iw3jdn(IYEAR, MONTH, IDAY)
Computes julian day number from year (4 digits), month, and day.