Time Porto
21:01:38
Sunrise: 07:57:22 
Sunset: 17:30:2005:01:38
00:01:38
18:01:38
02:31:38
15:01:38
05:01:38
02:01:38
05:01:38
05:01:38
02:31:38
00:01:38
05:01:38
03:01:38
06:01:38
18:01:38
Time difference between Porto and major cities
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
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-8