Japanese

The most commonly used particle in conjunction with time is the に-particle. Up until now, you have used this particle to show presence at or movement towards a destination. In addition to that usage, it also means at when following a time.

English	Japanese
I bought the tickets at eight o'clock.	私わたし　は　八はち時じ　に　チケット　を　買かいました。 watasi ha hatizi ni tiketto wo kaimasita.
She went to New York in February.	彼かの女じょ　は　二に月がつ　に　ニュー　ヨーク　に　行いきました。 kanozyo ha nigatu ni nyuu yooku ni ikimasita.
Would you like to do something on Friday?	金きん曜よう日び　に　何なにか　しません　か？ kinyoubi ni nanika simasen ka?

Note that though に is used with the time expressions including hours, weekdays and months. There are other cases in which they are not used together with a time expression, as in the sentences below which you have learned earlier.

English	Japanese
I didn't drink anything today.	今きょ日う　何なにも　飲のみません　でした。 kyou nanimo nomimasen desita.
I will meet you tomorrow.	明あ日した　あなた　に　会あいます。 asita anata ni aimasu.