Prepositions of Time or وقت صفت پیش از زمان in Persian allows a language user to locate events, such as when and for how long they happen. These link words or phrases with time-connecting words to indicate a time relationship between that word or phrase and the rest of the sentence. Some examples include: در (at), برای (for), به (to), از (from), تا (until), and پس از (after). Persian prepositions may differ from English prepositions, which can make them challenging to learn and use correctly.