Could you say if both sentences are correct? Which sentence construction is used more frequently?

Do you know what time the first train goes to London tomorrow morning?


Do you know when the first train to London is tomorrow morning?


  • 1
    Both are good, also "When is the first train to London tomorrow?" One assumes the first train will be in the morning. Apr 25, 2020 at 17:57
  • 1
    Or "Do you know the time of the first train to London tomorrow?" There are so many variants, it's impossible to say which is used most frequently. Apr 25, 2020 at 19:06

1 Answer 1


The first is good, it is easy to say and to understand.

The second seems clumsy to my UK English senses. After several attempts at reading it I realised that a pause (or separation) is needed after the "is" when reading the question out loud. The main question concludes with the "is". The "tomorrow morning" restricts the question. When writing I would put a comma between "is" and "tomorrow".

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