Venezuela uses the UTC−04:00 time offset, and they had previously used UTC−04:30 from December 9, 2007 until April 30, 2016. The time is commonly called Venezuelan Standard Time (VET), and legally referred to as Hora Legal de Venezuela (HLV) or Venezuela's Legal Time. The HLV is administered by the Navigation and Hydrography Service, in the Cagigal Naval Observatory, Caracas. The official time zone of Venezuela is determined by meridian 60° west of Greenwich, UK.