“What time…?” or “At what time…?” - what is more grammatically correct?





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5















This question may sound silly, but it has been bugging me for years.



If I ask a question about a precise point in time, should I say "What time..." or "At what time..."?



For example,




At what time does Billy arrive at the swimming pool?




or




What time does Billy arrive at the swimming pool?











share|improve this question































    5















    This question may sound silly, but it has been bugging me for years.



    If I ask a question about a precise point in time, should I say "What time..." or "At what time..."?



    For example,




    At what time does Billy arrive at the swimming pool?




    or




    What time does Billy arrive at the swimming pool?











    share|improve this question



























      5












      5








      5








      This question may sound silly, but it has been bugging me for years.



      If I ask a question about a precise point in time, should I say "What time..." or "At what time..."?



      For example,




      At what time does Billy arrive at the swimming pool?




      or




      What time does Billy arrive at the swimming pool?











      share|improve this question
















      This question may sound silly, but it has been bugging me for years.



      If I ask a question about a precise point in time, should I say "What time..." or "At what time..."?



      For example,




      At what time does Billy arrive at the swimming pool?




      or




      What time does Billy arrive at the swimming pool?








      prepositions time wh-questions






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 2 days ago









      Jasper

      20k44174




      20k44174










      asked 2 days ago









      brilliantbrilliant

      1,03021529




      1,03021529






















          3 Answers
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          active

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          6














          The initial preposition at in such contexts is entirely optional, but it usually wouldn't be included (although in reality we usually use when rather than [at] what time anyway :).



          OP's specific example happens to include a "location-based" clause based on at [the swimming pool], but it might be worth looking at two slightly different contexts...




          1a: What time does the shop open?

          1b: At what time does the shop open?

          1c: What time does the shop open at?




          ...and...




          2a: Where did you come?

          2b: From where did you come?

          2c: Where did you come from?




          In my opinion, both 'b' versions above are at least slightly stilted / awkward. But whereas 1a and 1c carry the same meaning, that's not the case with the second pair. 2a (without the preposition from) is effectively asking where you ended up, not where you started from (speaker might be asking your final position in a race, for example; Where did I come [in the marathon]? I did pretty good, actually - I came third, out of 2000 runners).



          The point being that because there's no credible alternative meaning in the first pair that depends on whether the preposition is included or not, it's entirely a stylistic choice (and on average we don't bother with unnecessary words). But the second example shows that we do include the preposition where it's required to avoid ambiguity.






          share|improve this answer

































            3














            As user070221 notes, both sentences are commonly used in American English. In some formal speech and writing, "At what time" is more acceptable than "When" or "What time", especially when "a precise point in time" is being requested.



            I am an American who grew up in a town with many native speakers of Spanish. To my ear, both examples in the original post sound like overly literal translations of "¿A qué hora?" To my ear, "When" is a more natural way of saying this in English:




            When does Billy arrive at the swimming pool?







            share|improve this answer































              2














              Both the sentences are correct and mean the same thing. what time is just a shorter form of at what time






              share|improve this answer
























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                3 Answers
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                3 Answers
                3






                active

                oldest

                votes









                active

                oldest

                votes






                active

                oldest

                votes









                6














                The initial preposition at in such contexts is entirely optional, but it usually wouldn't be included (although in reality we usually use when rather than [at] what time anyway :).



                OP's specific example happens to include a "location-based" clause based on at [the swimming pool], but it might be worth looking at two slightly different contexts...




                1a: What time does the shop open?

                1b: At what time does the shop open?

                1c: What time does the shop open at?




                ...and...




                2a: Where did you come?

                2b: From where did you come?

                2c: Where did you come from?




                In my opinion, both 'b' versions above are at least slightly stilted / awkward. But whereas 1a and 1c carry the same meaning, that's not the case with the second pair. 2a (without the preposition from) is effectively asking where you ended up, not where you started from (speaker might be asking your final position in a race, for example; Where did I come [in the marathon]? I did pretty good, actually - I came third, out of 2000 runners).



                The point being that because there's no credible alternative meaning in the first pair that depends on whether the preposition is included or not, it's entirely a stylistic choice (and on average we don't bother with unnecessary words). But the second example shows that we do include the preposition where it's required to avoid ambiguity.






                share|improve this answer






























                  6














                  The initial preposition at in such contexts is entirely optional, but it usually wouldn't be included (although in reality we usually use when rather than [at] what time anyway :).



                  OP's specific example happens to include a "location-based" clause based on at [the swimming pool], but it might be worth looking at two slightly different contexts...




                  1a: What time does the shop open?

                  1b: At what time does the shop open?

                  1c: What time does the shop open at?




                  ...and...




                  2a: Where did you come?

                  2b: From where did you come?

                  2c: Where did you come from?




                  In my opinion, both 'b' versions above are at least slightly stilted / awkward. But whereas 1a and 1c carry the same meaning, that's not the case with the second pair. 2a (without the preposition from) is effectively asking where you ended up, not where you started from (speaker might be asking your final position in a race, for example; Where did I come [in the marathon]? I did pretty good, actually - I came third, out of 2000 runners).



                  The point being that because there's no credible alternative meaning in the first pair that depends on whether the preposition is included or not, it's entirely a stylistic choice (and on average we don't bother with unnecessary words). But the second example shows that we do include the preposition where it's required to avoid ambiguity.






                  share|improve this answer




























                    6












                    6








                    6







                    The initial preposition at in such contexts is entirely optional, but it usually wouldn't be included (although in reality we usually use when rather than [at] what time anyway :).



                    OP's specific example happens to include a "location-based" clause based on at [the swimming pool], but it might be worth looking at two slightly different contexts...




                    1a: What time does the shop open?

                    1b: At what time does the shop open?

                    1c: What time does the shop open at?




                    ...and...




                    2a: Where did you come?

                    2b: From where did you come?

                    2c: Where did you come from?




                    In my opinion, both 'b' versions above are at least slightly stilted / awkward. But whereas 1a and 1c carry the same meaning, that's not the case with the second pair. 2a (without the preposition from) is effectively asking where you ended up, not where you started from (speaker might be asking your final position in a race, for example; Where did I come [in the marathon]? I did pretty good, actually - I came third, out of 2000 runners).



                    The point being that because there's no credible alternative meaning in the first pair that depends on whether the preposition is included or not, it's entirely a stylistic choice (and on average we don't bother with unnecessary words). But the second example shows that we do include the preposition where it's required to avoid ambiguity.






                    share|improve this answer















                    The initial preposition at in such contexts is entirely optional, but it usually wouldn't be included (although in reality we usually use when rather than [at] what time anyway :).



                    OP's specific example happens to include a "location-based" clause based on at [the swimming pool], but it might be worth looking at two slightly different contexts...




                    1a: What time does the shop open?

                    1b: At what time does the shop open?

                    1c: What time does the shop open at?




                    ...and...




                    2a: Where did you come?

                    2b: From where did you come?

                    2c: Where did you come from?




                    In my opinion, both 'b' versions above are at least slightly stilted / awkward. But whereas 1a and 1c carry the same meaning, that's not the case with the second pair. 2a (without the preposition from) is effectively asking where you ended up, not where you started from (speaker might be asking your final position in a race, for example; Where did I come [in the marathon]? I did pretty good, actually - I came third, out of 2000 runners).



                    The point being that because there's no credible alternative meaning in the first pair that depends on whether the preposition is included or not, it's entirely a stylistic choice (and on average we don't bother with unnecessary words). But the second example shows that we do include the preposition where it's required to avoid ambiguity.







                    share|improve this answer














                    share|improve this answer



                    share|improve this answer








                    edited 2 days ago

























                    answered 2 days ago









                    FumbleFingersFumbleFingers

                    46.3k156123




                    46.3k156123

























                        3














                        As user070221 notes, both sentences are commonly used in American English. In some formal speech and writing, "At what time" is more acceptable than "When" or "What time", especially when "a precise point in time" is being requested.



                        I am an American who grew up in a town with many native speakers of Spanish. To my ear, both examples in the original post sound like overly literal translations of "¿A qué hora?" To my ear, "When" is a more natural way of saying this in English:




                        When does Billy arrive at the swimming pool?







                        share|improve this answer




























                          3














                          As user070221 notes, both sentences are commonly used in American English. In some formal speech and writing, "At what time" is more acceptable than "When" or "What time", especially when "a precise point in time" is being requested.



                          I am an American who grew up in a town with many native speakers of Spanish. To my ear, both examples in the original post sound like overly literal translations of "¿A qué hora?" To my ear, "When" is a more natural way of saying this in English:




                          When does Billy arrive at the swimming pool?







                          share|improve this answer


























                            3












                            3








                            3







                            As user070221 notes, both sentences are commonly used in American English. In some formal speech and writing, "At what time" is more acceptable than "When" or "What time", especially when "a precise point in time" is being requested.



                            I am an American who grew up in a town with many native speakers of Spanish. To my ear, both examples in the original post sound like overly literal translations of "¿A qué hora?" To my ear, "When" is a more natural way of saying this in English:




                            When does Billy arrive at the swimming pool?







                            share|improve this answer













                            As user070221 notes, both sentences are commonly used in American English. In some formal speech and writing, "At what time" is more acceptable than "When" or "What time", especially when "a precise point in time" is being requested.



                            I am an American who grew up in a town with many native speakers of Spanish. To my ear, both examples in the original post sound like overly literal translations of "¿A qué hora?" To my ear, "When" is a more natural way of saying this in English:




                            When does Billy arrive at the swimming pool?








                            share|improve this answer












                            share|improve this answer



                            share|improve this answer










                            answered 2 days ago









                            JasperJasper

                            20k44174




                            20k44174























                                2














                                Both the sentences are correct and mean the same thing. what time is just a shorter form of at what time






                                share|improve this answer




























                                  2














                                  Both the sentences are correct and mean the same thing. what time is just a shorter form of at what time






                                  share|improve this answer


























                                    2












                                    2








                                    2







                                    Both the sentences are correct and mean the same thing. what time is just a shorter form of at what time






                                    share|improve this answer













                                    Both the sentences are correct and mean the same thing. what time is just a shorter form of at what time







                                    share|improve this answer












                                    share|improve this answer



                                    share|improve this answer










                                    answered 2 days ago









                                    Kshitij SinghKshitij Singh

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