Time Utilities


Online Applets

  • UTC2BJD -- Convert a UTC to BJD in TDB
  • BJD2UTC -- Convert a BJD in TDB to UTC
  • HJD2BJD -- Convert an HJD in TT or TDB to BJD in TDB
Source Code
  • README -- Installation instructions
  • utc2bjd -- convert a UTC to BJD in TDB (IDL)
  • bjd2utc -- convert a BJD in TDB to UTC (IDL)
  • jdutc2jdtdb -- convert a JD in UTC to JD in TDB (IDL)
  • get_eph -- generate an ephemeris via telnet to HORIZONS (IDL spawns Expect)
  • hjd2bjd -- convert an HJD in UTC or TT to BJD in TDB (IDL beta)
  • horizons.exp -- generate an ephemeris via telnet to HORIZONS (Expect)

The leap second file of this applet is automatically kept up to date by cron job. To see the latest copy in use by this app, please see the leap second file,
Copyright © Jason Eastman () All Rights Reserved. Questions, comments, or bug reports welcome.
Last revised: Feb 2, 2012 [jde/lcogt]