If the closing date for the submission window falls on a weekend, the closing date moves to the following Monday. The closing date is an absolute deadline date and proposals must be received by NSF by 5:00 p.m. submitter's local time on that date.
The submission window applies to unsolicited proposals submitted to DMR programs, except for the following which may be submitted at any time during the year: Grants for Rapid Response Research (RAPID), EArly-concept Grants for Exploratory Research (EAGER), proposals for workshops or conferences, proposals to the DMR National Facilities Program, and supplements to existing grants. For proposals submitted in response to special announcements or solicitations, the deadline dates specified in the announcement or solicitation apply.
We strongly advise Principal Investigators and Sponsored Research Offices to submit early and avoid a last-minute rush, which can cause problems in timely and correct transmission to NSF.
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