The time functions in the RTS library default to an epoch of 1900.   While this is not a violation of any published standard, it is different from the epoch of 1970 used by most other C compilers.  If desired, the epoch can be changed to 1970 by defining the preprocessor symbol __TI_TIME_USES_64.

For further details, please see https://processors.wiki.ti.com/index.php/Time_and_clock_RTS_Functions#epoch.