Both fine. Usually grammar says that you should place manner adverbials before place adverbials and that place adverbials go before time adverbials. But that's oversimplified and overgeneralized.
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PreciousJones"Are you going to the circus?" And I reply w/ "Yes, by that time I'll already be back in town."To the question, I would rephrase the bolb part: Yes, I should be back in time (before the last show).