1. It was the first Sunday of December.

  2. It was the first Sunday in December.

To me 'of' seems like: 'possession' and 'in' seems like: 'containing'.

Sometimes we get to see:

  1. Buildings in this city are so tall.

  2. Buildings of this city are so tall.

This has always been a matter of confusion to me.

Please explain.

Thank you.

1 Answer 1


I cannot see any real difference in meaning between sentences 1 and 2.

Regarding sentences 3 and 4, there is a slight difference.

  • Sentence 3 implies that only some of the buildings are tall.
  • sentence 4 implies that all building are tall.

However, the sentences 3. and 4 are not entirely correct, since some articles should have been used with "buildings", depending on the intended meaning.

The choice of article will change the meaning of "in / of" also, together with the meaning of the sentence.

  • Sentence 3 is a commonly heard kind of generalization. No one would suppose this accurately describes all the buildings in the city. It conveys the idea that so many of them are tall that the reader is struck by the fact. Commented Jun 4, 2022 at 21:34

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