Heure à Kotka
04:50:45
Lever du soleil: 08:55:23 
Coucher de soleil: 15:08:4510:50:45
05:50:45
23:50:45
08:20:45
20:50:45
10:50:45
07:50:45
10:50:45
10:50:45
08:20:45
05:50:45
10:50:45
08:50:45
11:50:45
23:50:45
Décalage horaire entre Kotka et les grandes villes
+7
+7
+7
+7
+7
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+6
+5
+5
+5
+4.5
+4
+4
+4
+4
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3.5
+3
+3
+2.5
+2
+1.5
+1
+1
+1
+1
+1
+1
+1
+0
+0
+0
+0
-1
-1
-1
-1
-1
-1
-1
-2
-2
-5
-5
-5
-5
-6
-7
-7
-7
-8
-10