The keyword phrase "when us patriots day 2025" functions grammatically as an adverbial phrase of time. It is structured as an interrogative seeking specific temporal information. The core component is the proper noun "Patriots' Day," which is modified by the adjective "US" and the specific year "2025." The adverb "when" frames the entire phrase as a direct query about a calendar date, making its primary function the solicitation of a temporal reference point.
Patriots' Day in 2025 will be observed on Monday, April 21. The date is determined by a statutory designation; the holiday is legally observed on the third Monday in April. This official public holiday is recognized in the states of Massachusetts and Maine. It commemorates the anniversary of the Battles of Lexington and Concord, which took place on April 19, 1775, and marked the first armed conflicts of the American Revolutionary War.
The fixed rule for its observancethe third Monday of Aprilprovides a predictable date for scheduling significant associated events. The most prominent of these is the Boston Marathon, which is traditionally run on Patriots' Day. The date also dictates the timing for various historical re-enactments, parades, and civic ceremonies held in Massachusetts and Maine to honor the historical events of 1775.
