Ptolemaḯda time to Downsview-Roding-CFB time conversion
18:37:54
-7
11:37:54
+7
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+3.5
+3
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+2.5
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+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
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+0
+0
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+0
+0
-1
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-1
-2
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-2
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-6
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-10