palDtt
palDtt
- Return offset between UTC and TT
- Description:
- Increment to be applied to Coordinated Universal Time UTC to give
Terrestrial Time TT (formerly Ephemeris Time ET)
- Invocation:
- dtt = palDtt( double utc );
- Arguments:
-
-
utc = double (Given)
-
UTC date as a modified JD (JD-2400000.5)
- Returned Value:
-
-
dtt = double
-
TT-UTC in seconds
- Notes:
- Consider a comprehensive upgrade to use the time transformations in SOFA's time
cookbook: http://www.iausofa.org/sofa_ts_c.pdf.
- See iauDat for a description of error conditions when calling this function
with a time outside of the UTC range. This behaviour differs from slaDtt.