การแปลงเวลาDerryเป็นเวลาGuisa
12:57:23
-5
07:57:23
+7
+7
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+6.5
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+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
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+3.5
+3
+3
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+3
+3
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+3
+2
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+1
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+1
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+0
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-3
-3
-3
-3
-4
-5
-5
-5
-6
-8