The Hindi phrase "11 september 2025 ko kaun sa din hai" is not a single part of speech. It is a complete grammatical unit known as an interrogative sentence. Its function is to pose a direct question asking for a specific piece of information: the day of the week corresponding to the date September 11, 2025.
A grammatical analysis of the sentence reveals its components. "11 september 2025" functions as a noun phrase specifying the date. The word "ko" is a postposition, equivalent to the English preposition "on." The phrase "kaun sa din" translates to "which day," where "kaun sa" is an interrogative determiner modifying the noun "din" (day). Finally, "hai" is the verb, the present indicative form of "to be," meaning "is." Together, these elements form a structured question: "On September 11, 2025, which day is it?"
From a practical standpoint, this phrase is a direct query used to obtain factual information. The answer to the question embedded within the sentence is that September 11, 2025, will be a Thursday. Understanding the phrase as an interrogative sentence is crucial to interpreting its intent and providing the relevant data.
