การแปลงเวลาPorthcawlเป็นเวลาMumbai
17:20:42
+5.5
22:50:42
+7
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+5.5
+5.5
+5.5
+5.5
+5.5
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+3.5
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+1
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-3
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-3
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-4
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-5
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-7