Function Description
Function SYS_EXTRACT_UTC extracts the UTC or GMT time from a datetime value.
Examples
SELECT SYS_EXTRACT_UTC(TIMESTAMP '2011-11-16 11:30:00 -08:00') FROM dual; Result: 16.11.2011 19:30:00,000000000 SELECT SYS_EXTRACT_UTC(TIMESTAMP '2011-11-16 11:30:00 US/Samoa') FROM dual; Result: 16.11.2011 22:30:00,000000000