Introducing UTC
UTC is a time representation that applies zero offsets. It is then used as a reference for other time zones. UTC representation is denoted either by the symbol UTC placed after the time specification (for example, 08:30 UTC) or by using an empty time zone specification Z (for example, 8:30Z).
UTC is the primary standard for dealing with time management and representations. It regulates and synchronizes clocks and time. It references Greenwich Mean Time (GMT) and does not depend on DST. It was first used in 1960, followed by the standardization in 1963, introducing the official abbreviation – UTC. It was updated in 1970 to cover the leap second.
UTC is divided into individual day, hour, minute, and second elements. Days are identified by the Gregorian calendar reference, but the Julian day numbers can also be used (the transformation principles are described in the Gregorian versus Julian calendar section). Each day contains 24 hours. Each hour consists...
