Syntax:
CONVERT_TZ(dt,from_tz,to_tz)

CONVERT_TZ() converts a datetime value dt from the time zone given by
from_tz to the time zone given by to_tz and returns the resulting
value. Time zones are specified as described in
https://mariadb.com/kb/en/time-zones/. This
function returns NULL if the arguments are invalid.

URL: https://mariadb.com/kb/en/convert_tz/

