Important Dates

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IETF 123
2025-07-19, Madrid, ES

Date	Weekday	Description
2025-02-10	Week of	IETF Online Registration Opens Register Here.
2025-04-21	Monday	Working Group and BOF scheduling begins. To request a Working Group session, use the IETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending an email to iesg@ietf.org to get advance help with the request.
2025-05-23	Friday	Cut-off date for BOF proposal requests. To request a BoF session use the IETF BoF Request Tool.
2025-06-02	Monday	Super Early registration cutoff at UTC 23:59.
2025-06-06	Friday	Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions at https://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF.
2025-06-06	Friday	Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request a Working Group session, use the IETF Meeting Session Request Tool.
2025-06-13	Friday	Cut-off date for Area Directors to approve BOFs at UTC 23:59.
2025-06-20	Friday	Preliminary Agenda published for comment.
2025-06-25	Wednesday	Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59.
2025-06-27	Friday	Final agenda to be published.
2025-07-07	Monday	Early registration and payment cut-off at UTC 23:59.
2025-07-07	Monday	Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using the I-D Submission Tool.
2025-07-09	Wednesday	Draft Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2025-07-14	Monday	Registration cancellation cut-off at UTC 23:59.
2025-07-14	Monday	Revised Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2025-08-15	Friday	Proceedings submission cutoff date by UTC 23:59. Upload using the Meeting Materials Management Tool.
2025-09-08	Monday	Proceedings submission corrections cutoff date by UTC 23:59.

IETF 124
2025-11-01, Montreal, CA

Date	Weekday	Description
2025-08-04	Monday	Working Group and BOF scheduling begins. To request a Working Group session, use the IETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending an email to iesg@ietf.org to get advance help with the request.
2025-08-11	Week of	IETF Online Registration Opens Register Here.
2025-09-05	Friday	Cut-off date for BOF proposal requests. To request a BoF session use the IETF BoF Request Tool.
2025-09-15	Monday	Super Early registration cutoff at UTC 23:59.
2025-09-19	Friday	Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions at https://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF.
2025-09-19	Friday	Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request a Working Group session, use the IETF Meeting Session Request Tool.
2025-09-26	Friday	Cut-off date for Area Directors to approve BOFs at UTC 23:59.
2025-10-03	Friday	Preliminary Agenda published for comment.
2025-10-08	Wednesday	Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59.
2025-10-10	Friday	Final agenda to be published.
2025-10-20	Monday	Early registration and payment cut-off at UTC 23:59.
2025-10-20	Monday	Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using the I-D Submission Tool.
2025-10-22	Wednesday	Draft Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2025-10-27	Monday	Registration cancellation cut-off at UTC 23:59.
2025-10-27	Monday	Revised Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2025-12-01	Monday	Proceedings submission cutoff date by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-01-05	Monday	Proceedings submission corrections cutoff date by UTC 23:59.

IETF 125
2026-03-14, TBD,

Date	Weekday	Description
2025-12-15	Monday	Working Group and BOF scheduling begins. To request a Working Group session, use the IETF Meeting Session Request Tool. If you are working on a BOF request, it is highly recommended to tell the IESG now by sending an email to iesg@ietf.org to get advance help with the request.
2025-12-22	Week of	IETF Online Registration Opens Register Here.
2026-01-16	Friday	Cut-off date for BOF proposal requests. To request a BoF session use the IETF BoF Request Tool.
2026-01-26	Monday	Super Early registration cutoff at UTC 23:59.
2026-01-30	Friday	Cut-off date for revised BOF proposal requests to Area Directors at UTC 23:59. To request a BOF, please see instructions at https://www.ietf.org/how/bofs/bof-procedures on Requesting a BOF.
2026-01-30	Friday	Cut-off date for requests to schedule Working Group Meetings at UTC 23:59. To request a Working Group session, use the IETF Meeting Session Request Tool.
2026-02-06	Friday	Cut-off date for Area Directors to approve BOFs at UTC 23:59.
2026-02-13	Friday	Preliminary Agenda published for comment.
2026-02-18	Wednesday	Cut-off date for requests to reschedule Working Group or BOF meetings UTC 23:59.
2026-02-20	Friday	Final agenda to be published.
2026-03-02	Monday	Early registration and payment cut-off at UTC 23:59.
2026-03-02	Monday	Internet-Draft submission cut-off (for all Internet-Drafts, including -00) by UTC 23:59. Upload using the I-D Submission Tool.
2026-03-04	Wednesday	Draft Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-03-09	Monday	Registration cancellation cut-off at UTC 23:59.
2026-03-09	Monday	Revised Working Group agendas due by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-04-10	Friday	Proceedings submission cutoff date by UTC 23:59. Upload using the Meeting Materials Management Tool.
2026-05-04	Monday	Proceedings submission corrections cutoff date by UTC 23:59.