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Session proposals open.

Session proposals close at 23:59 p.m. ET/03:59 +1 GMT.

Program committee conducts session reviews and merges.

Session proposal acceptance notification letters are sent.

Abstract submission site opens.

Invited author tool opens.

Town hall and workshop proposal acceptance letters sent.

Abstract submissions close at 23:59 p.m. ET/03:59 +1 GMT.

Program committee allocates and schedules sessions and finalizes session formats.

Meeting registration and housing opens for attendees.

Conveners review and schedule abstracts in allocated sessions.

Authors are notified of the acceptance, format and schedule of their abstracts.

The official online scientific program is released.

Last day to join or renew your 2023 AGU membership to take advantage of discounted registration rates.

Last day to purchase ticketed events.

Last day to cancel registration and receive a full refund. 

Last day to reserve housing in the AGU hotel block.

Last day to submit registration payment via check or wire transfer.

Last day to change registration type from in-person to online (or vice versa).

First day of AGU23