Nundina › Discover calendars › NIH Standard Grant Due Dates calendar › NIH R03 / R21: New Application DueNIH R03 / R21: New Application Due16 October 2026Small Grant (R03) and Exploratory/Developmental (R21) applications: new applications. NIH standard due date: 2026-10-16, by 5:00 p.m. local time of the applicant organization. A funding opportunity announcement with its own dates overrides the standard dates.NIH Standard Grant Due Dates calendarMore from this calendar

5 November 2026 - NIH R01: Renewal / Resubmission / Revision Due

12 November 2026 - NIH K Awards: Renewal / Resubmission / Revision Due

16 November 2026 - NIH R03 / R21: Renewal / Resubmission / Revision Due

8 December 2026 - NIH F Fellowships: Application Due

5 February 2027 - NIH R01: New Application Due