NIH deadlines for proposals:
R01s:
New Proposals: (February 5, June 5, and October 5)
Resubmissions: (March 5, July 5, and November 5)
Continuations: (March 5, July 5, and November 5)
R03s and R21s:
New Proposals: (February 16, June 16, and October 16)
Resubmissions: (March 16, July 16, and November 16)
Continuations: (March 16, July 16, and November 16)
For information about deadlines for other NIH proposals, please see the NIH submission schedule.
Some facts about NSF and NIH projects at the NBER: