Did you have a great time? vs Have you had a great time?

English as a Second Language English Vocabulary, Grammar and Idioms
1

Difference between these two sentences:

“Did you have a great time?”

“Have you had a great time?”

2

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The second enquiry refers to an adventure still in progress, or possibly very recently completed.
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3

Wouldn’t that be “Are you having a good time” then?

4

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Your sentence with the progressive only refers to an adventure still in progress.
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