---
name: "getdate"
section: "1"
platform: "linux"
package: "wcstools"
version: "3.9.7-1.1+b1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/getdate"
---

# getdate(1)

AME

## NAME

getdate - AME

## SYNOPSIS

**\[-dv\]\[-n** *dec*\]\[*-f format*\] \[*ra dec sys*\] *itype2otype* \[*date and/or time*\]

## DESCRIPTION

Convert date and time between various formats

-

  \[-dv\]\[-n dec\]\[-f format\] itype2otype @file

-

  itype: nfd=ISOFITS fd=FITS, dt=yyyy.mmdd, hr=hh:mm:ss, deg=dd:mm:ss

-

  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

-

  otype: fd=FITS, dt=yyyy.mmdd, jd=Julian Date, mjd=Modified Julian Date

-

  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 sec=fractional arcseconds

-

  @file: First one or two columns are in itype format ra dec sys:  Need for Heliocentric conversions

**-a**: Append date to input file, if there is one

**-d**: Print date without time

**-e**: Print output as ET/TDT/TT converting from UT

**-f**: Format for output number (C printf)

**-h** hours: Longitude in hours, west positive

**-l** degrees: Longitude in degrees, west positive

**-m**: Replace numeric month with English abbreviation

**-n** num: Number of decimal places in sec, epoch, JD

**-s** days: Number of days to subtract

**-t**: Print time without date

**-v**: Verbose
