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
February
Feb 15	Call to Division Membership for At-Large Steering Committee Candidates
Feb 15	DEADLINE for Nominations for the IAU Astronomy Education Prize, the IAU Astronomy Outreach Prize and the IAU Astronomy Development Prize
Feb 21	Communication of Motions to Amend Statutes and Bye-Laws to the National Members
Feb 21	Submission to the General Secretary of Motions of a Scientific or Administrative Character without Financial Implications, to be Placed on the GA Agenda
Feb 21	Submission of Motions to Modify the Proposed Budget or Any Other Matters Pertaining to it, to the General Secretary (before the General Assembly)
Feb 28	GA Grant Submission Closes - SOC Evaluation Starts
March
Mar 1	DEADLINE for Items Submitted to go on the EC Agenda
Mar 15	DEADLINE for Approved Nominations for Individual Members to be Submitted to the IAU Secretariat by NCAs or Adhering Organizations and subsequently nominations are transferred to the Membership Committee
Mar 15	Closure of Candidate Applications for Division Elections
Mar 15	Triennial Reports due for Transactions from: Divisions, Commissions and WGs	AA-Country unknown
Mar 15	Deadline for Submissions by the National Members of Honorary Member candidates
Mar 15	GS to send to the Finance Committee the 2026 Financial Report and the Auditor's Report
Mar 20	Closure of Candidate Applications for Commission Elections
Mar 31	DEADLINE for Applications for the Gruber Foundation Fellowship
Mar 31	Grant Evaluations Forwarded to GS + AGS for Final Allocation
April
Apr 1	Opening of Commission Elections
Apr 1	Deadline for Proposals to Host the General Assembly in 2033
Apr 1	Opening of the Call for The Gruber Foundation Fellowship Applicants to Submit their Applications for Next Year
Apr 1	DEADLINE for submitting to the GS bid books proposing to host the IAU General Assembly in 6 years
Apr 9	Grants Communicated to Grantees