Time Porto
21:37:47
Sunrise: 07:56:55 
Sunset: 17:31:2805:37:47
00:37:47
18:37:47
03:07:47
15:37:47
05:37:47
02:37:47
05:37:47
05:37:47
03:07:47
00:37:47
05:37:47
03:37:47
06:37:47
18:37:47
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
-5
-6
-8