شام

In a sentence

• مجھے شام کو چائے پینے کی عادت ہے۔

  I have a habit of drinking tea in the evening.

  In this sentence, "شام" refers to the time of the evening.

• شام بہت خوبصورت شہر ہے۔

  Sham is a very beautiful city.

  In this sentence, "شام" is being used as a proper noun, referring to the city known as Sham (Damascus).

• بچپن میں ہم شام کے وقت کھیلتے تھے۔

  In my childhood, we used to play in the evening.

  Here, the word "شام" again refers to the time of evening, stressing the time of day when an activity used to happen.