Jtim {RSEIS} | R Documentation |
convert JD, HR, MIN SEC to Decimal Julian Day
Jtim(jj, hr = hr, mi = mi, sec = sec, yr=NULL) JtimL(j)
jj |
Julian day |
hr |
Hour |
mi |
Minute |
sec |
Second |
yr |
year, default = NULL |
j |
list of the above |
Using a NULL value for yr gives the fractional julian day in a year. If yr is a legitimate year, then the EPOCH number of days from 1972 are added onto the fractional julian day.
Julian day
Jonathan M. Lees<jonathan.lees@unc.edu>
secdif
Jtim( 9 , hr= 14 , mi= 53 ,sec= 16.7807606880087 ) ######## or, j = list(jd=9 , hr= 14 , mi= 53 ,sec= 16.7807606880087) JtimL(j)