BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//IETF//datatracker.ietf.org ical importantdates//EN
METHOD:PUBLISH
BEGIN:VEVENT
SUMMARY:IETF 127: Registration Opens
DTSTART;VALUE=DATE:20260406
DTSTAMP:20260904T145559Z
UID:ietf-127-openreg-2026-04-06
CLASS:PUBLIC
DESCRIPTION:IETF Online Registration Opens [Register Here](https://www.iet
 f.org/how/meetings/register/).\nRegister here: https://www.ietf.org/how/me
 etings/register/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Scheduling Opens
DTSTART;VALUE=DATE:20260817
DTSTAMP:20260904T145559Z
UID:ietf-127-opensched-2026-08-17
CLASS:PUBLIC
DESCRIPTION:Working Group and BOF scheduling begins. To request a Working 
 Group session\, use the [IETF Meeting Session Request Tool](/secr/sreq/). 
 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](mailtp:iesg@ietf.org) to 
 get advance help with the request.\nTo request a Working Group session\, u
 se the IETF Meeting Session Request Tool:\nhttps://datatracker.ietf.org/me
 eting/session/request/\nIf you are working on a BOF request\, it is highly
  recommended to tell the IESG\nnow by sending an email to iesg@ietf.org to
  get advance help with the request.
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Cut-off preliminary BOF requests
DTSTART;VALUE=DATE:20260918
DTSTAMP:20260904T145559Z
UID:ietf-127-bofprelimcutoff-2026-09-18
CLASS:PUBLIC
DESCRIPTION:Cut-off date for BOF proposal requests. To request a __BoF__ s
 ession use the [IETF BoF Request Tool](/doc/bof-requests).
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Super Early cutoff
DTSTART;VALUE=DATE:20260928
DTSTAMP:20260904T145559Z
UID:ietf-127-superearly-2026-09-28
CLASS:PUBLIC
DESCRIPTION:Super Early registration cutoff at UTC 23:59
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Cut-off WG scheduling Requests
DTSTART;VALUE=DATE:20261002
DTSTAMP:20260904T145559Z
UID:ietf-127-cutoffwgreq-2026-10-02
CLASS:PUBLIC
DESCRIPTION:Cut-off date for requests to schedule Working Group Meetings a
 t UTC 23:59. To request a __Working Group__ session\, use the [IETF Meetin
 g Session Request Tool](/secr/sreq/).\nTo request a Working Group session
 \, use the IETF Meeting Session Request Tool:\nhttps://datatracker.ietf.or
 g/meeting/session/request/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Cut-off revised BOF requests
DTSTART;VALUE=DATE:20261002
DTSTAMP:20260904T145559Z
UID:ietf-127-bofrevcutoff-2026-10-02
CLASS:PUBLIC
DESCRIPTION:Cut-off date for revised BOF proposal requests to Area Directo
 rs at UTC 23:59. To request a BOF\, please see instructions at https://www
 .ietf.org/how/bofs/bof-procedures on Requesting a BOF.
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Cut-off BOF approval
DTSTART;VALUE=DATE:20261009
DTSTAMP:20260904T145559Z
UID:ietf-127-cutoffbofapprove-2026-10-09
CLASS:PUBLIC
DESCRIPTION:Cut-off date for Area Directors to approve BOFs at UTC 23:59
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Preliminary Agenda
DTSTART;VALUE=DATE:20261016
DTSTAMP:20260904T145559Z
UID:ietf-127-prelimagenda-2026-10-16
CLASS:PUBLIC
DESCRIPTION:Preliminary Agenda published for comment
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Cut-off Reschedule Requests
DTSTART;VALUE=DATE:20261021
DTSTAMP:20260904T145559Z
UID:ietf-127-cutoffresched-2026-10-21
CLASS:PUBLIC
DESCRIPTION:Cut-off date for requests to reschedule Working Group or BOF m
 eetings UTC 23:59
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Final Agenda
DTSTART;VALUE=DATE:20261023
DTSTAMP:20260904T145559Z
UID:ietf-127-finalagenda-2026-10-23
CLASS:PUBLIC
DESCRIPTION:Final agenda to be published
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Early cutoff
DTSTART;VALUE=DATE:20261102
DTSTAMP:20260904T145559Z
UID:ietf-127-early-2026-11-02
CLASS:PUBLIC
DESCRIPTION:Early registration and payment cut-off at UTC 23:59
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: I-D Cutoff
DTSTART;VALUE=DATE:20261102
DTSTAMP:20260904T145559Z
UID:ietf-127-idcutoff-2026-11-02
CLASS:PUBLIC
DESCRIPTION:Internet-Draft submission cut-off (for all Internet-Drafts\, i
 ncluding -00) by UTC 23:59. Upload using the [I-D Submission Tool](/submit
 /).\nUpload using the I-D Submission Tool:\nhttps://datatracker.ietf.org/s
 ubmit/
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Draft Working Group Agendas
DTSTART;VALUE=DATE:20261104
DTSTAMP:20260904T145559Z
UID:ietf-127-draftwgagenda-2026-11-04
CLASS:PUBLIC
DESCRIPTION:Draft Working Group agendas due by UTC 23:59\nUpload using the
  Meeting Materials Management Tool:\nhttps://datatracker.ietf.org/meeting/
 127/materials
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Registration Cancellation Cut-off
DTSTART;VALUE=DATE:20261109
DTSTAMP:20260904T145559Z
UID:ietf-127-cutoffcancel-2026-11-09
CLASS:PUBLIC
DESCRIPTION:Registration cancellation cut-off at UTC 23:59
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Revised Working Group Agendas
DTSTART;VALUE=DATE:20261109
DTSTAMP:20260904T145559Z
UID:ietf-127-revwgagenda-2026-11-09
CLASS:PUBLIC
DESCRIPTION:Revised Working Group agendas due by UTC 23:59\nUpload using t
 he Meeting Materials Management Tool:\nhttps://datatracker.ietf.org/meetin
 g/127/materials
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Proceedings Submission Cut-off
DTSTART;VALUE=DATE:20261211
DTSTAMP:20260904T145559Z
UID:ietf-127-procsub-2026-12-11
CLASS:PUBLIC
DESCRIPTION:Proceedings submission cutoff date by UTC 23:59\nUpload using 
 the Meeting Materials Management Tool:\nhttps://datatracker.ietf.org/meeti
 ng/127/materials
TRANSP:TRANSPARENT
END:VEVENT
BEGIN:VEVENT
SUMMARY:IETF 127: Proceedings Submission Revision Cut-off
DTSTART;VALUE=DATE:20270104
DTSTAMP:20260904T145559Z
UID:ietf-127-revsub-2027-01-04
CLASS:PUBLIC
DESCRIPTION:Proceedings submission corrections cutoff date by UTC 23:59
TRANSP:TRANSPARENT
END:VEVENT
END:VCALENDAR