Type name: application Subtype name: tzif Required parameters: none Optional parameters: none Encoding considerations: binary Security considerations: See Section 6 of RFC 8536. Interoperability considerations: See Section 4 of RFC 8536. Published specification: This specification. Applications that use this media type: This media type is designed for widespread use by applications that need to use or exchange time zone information, such as the Time Zone Information Compiler (zic) [ZIC] and the GNU C Library [GNU-C]. The Time Zone Distribution Service [RFC7808] can directly use this media type. Fragment identifier considerations: N/A Additional information: Magic number(s): The first 4 octets are 0x54, 0x5A, 0x69, 0x66 File extensions(s): N/A Macintosh file type code(s): N/A Person & email address to contact for further information: Time Zone Database mailing list Intended usage: COMMON Restrictions on usage: N/A Author: See the "Authors' Addresses" section of RFC 8536. Change controller: IETF