Czas Koshigaya
18:50:30
Wschód słońca: 04:39:14 
Zachód słońca: 18:35:1617:50:30
12:50:30
06:50:30
15:20:30
03:50:30
17:50:30
14:50:30
17:50:30
17:50:30
15:20:30
12:50:30
17:50:30
15:50:30
18:50:30
06:50:30
Różnica czasu między Koshigaya a większymi miastami
18:50:30
-13
05:50:30
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+1
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-1
-1
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-1
-1
-1
-1
-1
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-1
-1
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-1
-1
-1
-1
-1
-1
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-1
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-1
-1
-1
-1
-1
-1
-1
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-2
-2
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-8
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-8
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-12
-12
-12