Typically, the abbreviation (generally 3 or 4 letters) for the time zone when DST is not in effect (e.g. PST). It is not necessarily unique.
However, on Windows, it may be the unabbreviated name (e.g. Pacific Standard Time). Regardless, it is not the same as name.
See Implementation
Typically, the abbreviation (generally 3 or 4 letters) for the time zone when DST is not in effect (e.g. PST). It is not necessarily unique.
However, on Windows, it may be the unabbreviated name (e.g. Pacific Standard Time). Regardless, it is not the same as name.