May 25 (Monday), 2026: NIH Closed for the Federal Holiday

April 21, 2026

NIH (including help desks) will be closed on Monday, May 25, 2026 for the federal holiday (Memorial Day). If a grant application due date falls on a federal holiday, the application deadline is automatically extended to the next business day.

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February 16 (Monday), 2026: NIH Closed for the Federal Holiday

NIH (including help desks) will be closed on Monday, February 16, 2026 for the federal holiday (Washington's Birthday). If a grant application due date falls on a federal holiday, the application deadline is automatically extended to the next business day.

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December 24 through 26, 2025 and January 1, 2026: NIH Closed for the Federal Holidays

NIH, including help desks, will be closed for the federal holidays on December 24, 25, and 26, 2025 (Wednesday through Friday for Christmas) and January 1, 2026 (Thursday for New Year's Day). If a grant application due date falls on a federal holiday, the application deadline is automatically extended to the next business day.

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