IETF 116 Yokohama25 Mar 2023 - 31 Mar 2023 IETF 116 starts Saturday 25 March and runs through Friday afternoon, 31 March. The IETF Hackathon and IETF Codesprint take place on the weekend. Newcomers' training and technical tutorials take place on Sunday afternoon. Participants should plan their travel accordingly. The schedule may be updated very close to the start to the meeting.