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.

2027
August
Aug 1	GA 2027	XXXIII IAU General Assembly	Rome Italy
Aug 31		All Working Groups and Associate Memberships End Unless Actively Reproposed
September
Sep 1		All Committees for the New Triennium are Instated
Sep 15		An EC approved summary of the accounts of the previous triennium and budget for the next triennium will be published on the IAU webpages under "Administration"
Sep 15		Deadline for the GA Host LOC to send the digitzed GA Newspapers to the IAU to be posted on the webpages
Sep 15		DEADLINE for Letters of Intent (LOI) for 2029 Symposia
Sep 30		Letters of Intent Published
November
Nov 1		Letters of Intent Proposing to Host the IAU General Assembly in 2033 Should Reach the IAU GS Before November 1, 2027
December
Dec 1		DEADLINE for Submission of Full Proposals for 2029 Symposia
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
2028
January
Jan 1		DEADLINE for Items Submitted to go on the OM Agenda
February
Feb 28		DEADLINE for signature of MoU between the next GA Host and the IAU
March
Mar 1		DEADLINE for Items Submitted to go on the EC Agenda
Mar 15		GS to send to the Finance Committee the 2027 Financial Report and the Auditor's Report
Mar 31		DEADLINE for Applications for the Gruber Foundation Fellowship
April
Apr 1		Opening of the Call for The Gruber Foundation Fellowship Applicants to Submit their Applications for Next Year
Apr 1		The Deadline for Submitting to the GS Bid Books Proposing to Host the IAU General Assembly in 2033 is April 1, 2028