Administrative Dates & Deadlines

Please note that in case of a deadline on a particular calendar date, the time of the deadline is 11:59 PM clock time in the IAU office in Paris, France on that given date. In European winter, Paris clock time is UTC + 1 hour. In European summer, Paris clock time is UTC + 2 hours.

2025
June
Jun 15	PhD Prize Winners Announced
July
Jul 15	Members who have been marked as 'Inactive' for 3 years will be removed from the IAU lists
September
Sep 15	DEADLINE for Letters of Intent for 2027 IAU Symposia, Focus Meetings, Division Meetings and Institutional Meetings
Sep 30	Letters of Intent Published
November
Nov 18 - Nov 21	7th Shaw-IAU Workshop	Virtual Meeting
December
Dec 1	DEADLINE for Proposals for IAU Symposia, Focus Meetings, Division Meetings and Institutional Meetings at the General Assembly in 2027
Dec 15	DEADLINE for Nominations for the Gruber Foundation Cosmology Prize
Dec 15	DEADLINE for PhD Prize Application Submission
Dec 16	PhD Prize Application Submission Opens for Next Year
Dec 16	Opening for Nominations for the Gruber Foundation Cosmology Prize for Next Year
2026
January
Jan 1	DEADLINE for Items Submitted to go on the OM Agenda
Jan 31	DEADLINE for the Host of the next GA to create and maintain a GA web-site
Jan 31	DEADLINE for the Host of the next GA to create and maintain a GA web-site
March
Mar 1	DEADLINE for Applications for the Gruber Foundation Fellowship
Mar 1	DEADLINE for Items Submitted to go on the EC Agenda
Mar 15	DEADLINE: Annual Reports due for Divisions, Commissions and Working Groups
Mar 15	Upon Request by the IAU President, The Special Nomination Committee begins working on a proposal of nominations of individuals to serve on the future Executive Committee
Mar 15	GS to send to the Finance Committee the 2025 Financial Report and the Auditor's Report
April
Apr 1	Opening of the Call for The Gruber Foundation Fellowship Applicants to Submit their Applications for Next Year
Apr 15	Deadline for the Finance Committee to Provide the IAU General Secretary with the Annual Report on the Accounts