The keyword phrase "11 sep ko kya tithi hai" is an interrogative sentence. While a sentence is a complete grammatical unit rather than a single part of speech, its core informational element and the subject of the inquiry is the word "tithi." Therefore, for the purpose of defining the main point of an article, the keyword's central component is a noun. The entire phrase functions as a query seeking to identify a specific instance of this noun.
A grammatical breakdown reveals the function of each component. "11 sep" is a proper noun phrase functioning as a temporal locator. "Ko" is a postposition indicating the specific time. "Kya" is an interrogative pronoun asking "what." "Tithi" is the key noun, referring to a lunar day in the Hindu lunisolar calendar. "Hai" is the verb "is." The sentence structure is designed to elicit a noun as its answerspecifically, the name of the tithi (e.g., Dashami, Ekadashi) corresponding to the specified date. The query's intent is wholly focused on defining this noun.
From a practical and content-strategy perspective, identifying the central part of speech as a noun is crucial. It dictates that the article's primary objective must be to provide a factual, noun-based answer. The content should directly state the specific tithi for September 11th of the relevant year. This grammatical analysis confirms that the user's intent is informational and requires a direct data-point resolution, making the noun "tithi" the definitive focus and the required answer.
