If you board Surat on 19 July at 00:06, you will reach Thivim on the same day @ 11:50.
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Or if you want reach Thivim on 20 July 2014, you can board 16337 Okha - ERS express from Surat on 19 July @ 15:35 & you can reach Thivim at 5:56 on the next day. (20 July)