การแปลงเวลาDiffaเป็นเวลาCumbum
16:46:30
+4.5
21:16:30
+7
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+5.5
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+4.5
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+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
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+1
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+0
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-1
-4
-4
-4
-5
-5
-5
-6
-6
-7
-8