The core component of the query, "September 11, 2025," functions as a noun phrase. As a specific date, it acts as a proper noun, naming a unique point in time. In a grammatical structure, this phrase typically serves as the subject or object, referring to the entity whose properties are being described or questioned.
Calendrical calculation determines that the date in question will be a Thursday. This is established by accounting for the number of days from a known date, factoring in the 365-day length of a common year. The period from September 11, 2024, to September 11, 2025, spans exactly 365 days. Since 365 divided by 7 yields a remainder of 1, the day of the week advances by one day from the previous year's Wednesday.
Therefore, the noun phrase "September 11, 2025" is specified by the attribute "Thursday." This demonstrates the direct relationship between a temporal noun (the date) and its corresponding property (the day of the week). The grammatical subject finds its resolution in a specific, calculated value.