.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.47.6. .TH GETDATE "1" "May 2018" "getdate 3.9.5" "User Commands" .SH NAME getdate \- AME .SH SYNOPSIS .B [-dv][-n \fI\,dec\/\fR][\fI\,-f format\/\fR] [\fI\,ra dec sys\/\fR] \fI\,itype2otype \/\fR[\fI\,date and/or time\/\fR] .SH DESCRIPTION Convert date and time between various formats .IP [\-dv][\-n dec][\-f format] itype2otype @file .IP itype: nfd=ISOFITS fd=FITS, dt=yyyy.mmdd, hr=hh:mm:ss, deg=dd:mm:ss .IP jd=Julian Date, mjd=Modified Julian Date hjd=Heliocentric Julian Date, mhjd=Modified HJD ep=epoch, epj=Julian epoch, epb=Besselian epoch lt=local time, ut=UT, ts=seconds since 1950\-01\-01 now=current time, ang=fractional degrees .IP otype: fd=FITS, dt=yyyy.mmdd, jd=Julian Date, mjd=Modified Julian Date .IP hjd=Heliocentric Julian Date, mhjd=Modified HJD hr=hh:mm:ss, deg=dd:mm:ss, ang=fractional degrees ep=epoch, epj=Julian epoch, epb=Besselian epoch ts=seconds since 1950\-01\-01, tsu=Unix sec, tsi=IRAF sec gst=Greenwich Sidereal Time, lst=Local Sidereal Time .IP @file: First one or two columns are in itype format ra dec sys: Need for Heliocentric conversions .HP \fB\-a\fR: Append date to input file, if there is one .HP \fB\-d\fR: Print date without time .HP \fB\-e\fR: Print output as ET/TDT/TT converting from UT .HP \fB\-f\fR: Format for output number (C printf) .HP \fB\-h\fR hours: Longitude in hours, west positive .HP \fB\-l\fR degrees: Longitude in degrees, west positive .HP \fB\-n\fR num: Number of decimal places in sec, epoch, JD .HP \fB\-s\fR days: Number of days to subtract .HP \fB\-t\fR: Print time without date .HP \fB\-v\fR: Verbose