December 25 (Thursday), 2025: NIH Closed for the Federal Holiday

December 4, 2025

NIH (including help desks) will be closed on Thursday, December 25, 2025 for the federal holiday (Christmas 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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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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October 13, 2025: NIH Closed for the Federal Holiday

NIH (including help desks) will be closed on Monday, October 13, 2025 for the federal holiday (Columbus 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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