Generated Narrative: CodeSystem IANATimeZoneDatabase This case-sensitive code system https://www.iana.org/time-zones defines codes, but no codes are represented here
The Time Zone Database (often called tz or zoneinfo) contains code and data that represent the history of local time for many representative locations around the globe. It is updated periodically to reflect changes made by political bodies to time zone boundaries, UTC offsets, and daylight-saving rules.