The IESG has approved the following document: - 'Time Zone Data Distribution Service' (draft-ietf-tzdist-service-11.txt) as Proposed Standard This document is the product of the Time Zone Data Distribution Service Working Group. The IESG contact persons are Ben Campbell, Barry Leiba and Alissa Cooper. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-tzdist-service/ Technical Summary This document defines a time zone data distribution service that allows reliable, secure and fast delivery of time zone data and leap second rules to client systems such as calendaring and scheduling applications or operating systems. Review and Consensus Issues have been methodically tracked and addressed. The individual draft came through 11 revisions and once adopted as WG document, the WG draft came through 7 additional revisions. They were among 22 open issues. All these issues have reached rough consensus on the mailing list. In addition, the document was also reviewed on the saag, app-discuss, int-area, ops-area and ietf-privacy mailing lists. As a result of the numerous addressed issues with a strong consensus, the initial proposal has significantly changed from its initial version. Among the changes are 1) leap seconds, 2) redesign of the API, 3) historical data management has been considered, 4) security and privacy both in design and considerations section. Personnel The document shepherd is Daniel Migault. The responsible Area Director is Barry Leiba.