Astronomy Library - Timescales/Earth RotationThis is the index page for the Timescales/Earth Rotation section of the Astronomy Library for SOFA Library Issue 2001-03-31 for Fortran 77. The Timescales/Earth Rotation section includes the following routines:
| DAT | — | Delta(AT) (=TAI-UTC) for a given UTC date |
| DTDB | — | TDB-TT |
| EQEQ94 | — | Equation of the equinoxes, IAU 1994 |
| GMST82 | — | Greenwich Mean Sidereal Time, IAU 1982 |