Heure à Kotka
18:08:59
Lever du soleil: 09:13:48 
Coucher de soleil: 15:23:0600:08:59
19:08:59
13:08:59
21:38:59
10:08:59
00:08:59
21:08:59
00:08:59
00:08:59
21:38:59
19:08:59
00:08:59
22:08:59
01:08:59
13:08:59
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