Leiden時間
23:55:23
日出: 08:45:11 
日落: 16:56:1306:55:23
01:55:23
19:55:23
04:25:23
16:55:23
06:55:23
03:55:23
06:55:23
06:55:23
04:25:23
01:55:23
06:55:23
04:55:23
07:55:23
19:55:23
Leiden與主要城市的時差
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+7
+6
+6
+6
+5.5
+5
+5
+5
+5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4.5
+4
+4
+3.5
+3
+2.5
+2
+2
+2
+2
+2
+2
+2
+1
+1
+1
+1
+0
+0
+0
+0
+0
+0
+0
-1
-1
-4
-4
-4
-4
-5
-6
-6
-6
-7
-9