Petrogradka時間
18:36:11
日出: 09:53:16 
日落: 15:52:4323:36:11
18:36:11
12:36:11
21:06:11
09:36:11
23:36:11
20:36:11
23:36:11
23:36:11
21:06:11
18:36:11
23:36:11
21:36:11
00:36:11
12:36:11
Petrogradka與主要城市的時差
+6
+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
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+5
+4
+4
+4
+3.5
+3
+3
+3
+3
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2.5
+2
+2
+1.5
+1
+0.5
+0
+0
+0
+0
+0
+0
+0
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-3
-3
-6
-6
-6
-6
-7
-8
-8
-8
-9
-11