At/ In/ On

Columbus sailed to the Americas _____ the 16th century.

Columbus sailed to the Americas IN the 16th century.

His birthday is _____ June.

His birthday is IN June.

I graduated from university _____ 2003.

I graduated from university IN 2003.

I had a party _____ my birthday.

I had a party ON my birthday.

I like to drink coffee ______ the morning and tea ______ the afternoon.

I like to drink coffee IN the morning and tea IN the afternoon.

I love going skiing ______ January.

I love going skiing IN January.

I usually go to my parents' house _____ Christmas. We eat turkey together _____ Christmas Day.

I usually go to my parents' house AT/ON Thanksgiving. We eat turkey together ON Thanksgiving Day.

It's better to get a taxi if you are out alone _____ night.

It's better to get a taxi if you are out alone AT night.

Lucy is arriving ____ February the 13th ____ 8 o'clock ____ the morning.

Lucy is arriving ON February the 13th AT 8 o'clock IN the morning.

Lucy went to New York ______ New Year.

Lucy went to New York AT/ON New Year.

She got married _____ September.

She got married IN September.

She left Tokyo _____ the 4th of March.

She left Tokyo ON the 4th of March.

The Beatles were popular _____ the 1960s.

The Beatles were popular IN the 1960s.

The class is ____ 9am ______ Monday mornings.

The class is AT 9am ON Monday mornings.

The train leaves _____ tomorrow morning ______ 8:00 AM.

The train leaves _____ tomorrow morning AT 8:00 AM.

The weather is often terrible in Seattle _____ January.

The weather is often terrible in Seattle IN January.

They usually go to the south of France _____ the summer.

They usually go to the south of France IN the summer.

We met at the restaurant ______ 8 pm.

We met at the restaurant AT 8 pm.

We went out for dinner _____ last Wednesday.

We went out for dinner last Wednesday.

We're meeting _____ lunchtime _____ next Tuesday.

We're meeting AT lunchtime next Tuesday.