UTC−04:30
UTC−04:30 is an identifier for a time offset from UTC of −04:30. History
It was used only in Venezuela, first between February 12, 1912 and January 1, 1965, and again from December 9, 2007 to May 1, 2016. Currently, Venezuela's time zone is UTC−04:00. See also
Time in Venezuela

References

UTC offsets
Time in Venezuela