09:11
21:06
11小时92分钟
正午时间:
15:08
距离:
151,698km
09:11↑21:14↓
09:11↑21:13↓
09:11↑21:13↓
09:11↑21:12↓
09:11↑21:12↓
09:11↑21:11↓
09:11↑21:10↓
09:11↑21:10↓
09:11↑21:09↓
09:11↑21:09↓
09:11↑21:08↓
09:11↑21:08↓
09:11↑21:07↓
09:11↑21:07↓
09:11↑21:06↓
09:11↑21:06↓
09:11↑21:06↓
09:11↑21:05↓
09:11↑21:05↓
09:11↑21:04↓
09:11↑21:04↓
09:11↑21:03↓
09:11↑21:03↓
09:12↑21:03↓
09:12↑21:02↓
09:12↑21:02↓
09:12↑21:02↓
09:12↑21:01↓
09:12↑21:01↓
09:12↑21:01↓
09:13↑21:01↓
日出时间=(24-昼长)/2
日落时间=日出时间+昼长
或:一天有24小时,包括白天和黑夜,夜长=24-昼长。而凌晨0:00可以看作是黑夜的中点,日出时间=夜长/2,日落时间=24-日出时间。