夏至の日は日中の時間がいちばん長く，冬至の日は最も短い。
しかし夏至の日は，日出がいちばん早い日でも，日入がいちばん遅い日でもない。
冬至の日は，日出がいちばん遅い日でも，日入がいちばん早い日でもない。
こうなるのは，公転角度に対する南中点と正午点が，(夏至・秋分・冬至・春分を除いて) 一致しないためである。
以下に，日出・南中・日入時刻の年間変化表を示す：
緯度 50° の場合
| 公転角度 |
月/日 |
時刻 |
| 日出 |
南中 |
日入 |
| 0 |
6/20 |
3:57:8 |
12:0:0 |
20:2:52 |
| 5 |
6/25 |
3:59:32 |
12:1:47 |
20:4:1 |
| 10 |
6/30 |
4:3:6 |
12:3:30 |
20:3:53 |
| 15 |
7/5 |
4:7:42 |
12:5:5 |
20:2:28 |
| 20 |
7/10 |
4:13:14 |
12:6:31 |
19:59:48 |
| 25 |
7/15 |
4:21:15 |
12:7:43 |
19:55:56 |
| 30 |
7/20 |
4:26:24 |
12:8:40 |
19:50:56 |
| 35 |
7/25 |
4:33:46 |
12:9:21 |
19:44:55 |
| 40 |
7/31 |
4:41:28 |
12:9:43 |
19:37:59 |
| 45 |
8/5 |
4:49:22 |
12:9:48 |
19:30:13 |
| 50 |
8/10 |
4:57:24 |
12:9:35 |
19:21:45 |
| 55 |
8/15 |
5:5:29 |
12:9:4 |
19:12:40 |
| 60 |
8/20 |
5:13:33 |
12:8:18 |
19:3:4 |
| 65 |
8/25 |
5:21:35 |
12:7:18 |
18:53:1 |
| 70 |
8/30 |
5:29:34 |
12:6:6 |
18:42:38 |
| 75 |
9/4 |
5:37:29 |
12:4:43 |
18:31:58 |
| 80 |
9/9 |
5:45:21 |
12:3:13 |
18:21:5 |
| 85 |
9/14 |
5:53:11 |
12:1:38 |
18:10:5 |
| 90 |
9/19 |
6:0:59 |
12:0:0 |
17:59:1 |
| 95 |
9/24 |
6:8:47 |
11:58:22 |
17:47:57 |
| 100 |
9/29 |
6:16:37 |
11:56:47 |
17:36:57 |
| 105 |
10/4 |
6:24:29 |
11:55:17 |
17:26:4 |
| 110 |
10/10 |
6:32:24 |
11:53:54 |
17:15:24 |
| 115 |
10/15 |
6:40:23 |
11:52:42 |
17:5:1 |
| 120 |
10/20 |
6:48:25 |
11:51:42 |
16:54:58 |
| 125 |
10/25 |
6:56:29 |
11:50:56 |
16:45:22 |
| 130 |
10/30 |
7:4:34 |
11:50:25 |
16:36:17 |
| 135 |
11/4 |
7:12:36 |
11:50:12 |
16:27:49 |
| 140 |
11/9 |
7:20:30 |
11:50:17 |
16:20:3 |
| 145 |
11/14 |
7:28:12 |
11:50:39 |
16:13:7 |
| 150 |
11/19 |
7:35:34 |
11:51:20 |
16:7:6 |
| 155 |
11/24 |
7:40:43 |
11:52:17 |
16:2:6 |
| 160 |
11/29 |
7:48:44 |
11:53:29 |
15:58:14 |
| 165 |
12/4 |
7:54:16 |
11:54:55 |
15:55:34 |
| 170 |
12/9 |
7:58:52 |
11:56:30 |
15:54:9 |
| 175 |
12/14 |
8:2:26 |
11:58:13 |
15:54:1 |
| 180 |
12/20 |
8:4:50 |
12:0:0 |
15:55:10 |
| 185 |
12/25 |
8:5:59 |
12:1:47 |
15:57:34 |
| 190 |
12/30 |
8:5:51 |
12:3:30 |
16:1:8 |
| 195 |
1/4 |
8:4:26 |
12:5:5 |
16:5:44 |
| 200 |
1/9 |
8:1:46 |
12:6:31 |
16:11:16 |
| 205 |
1/14 |
7:57:54 |
12:7:43 |
16:19:17 |
| 210 |
1/19 |
7:52:54 |
12:8:40 |
16:24:26 |
| 215 |
1/24 |
7:46:53 |
12:9:21 |
16:31:48 |
| 220 |
1/29 |
7:39:57 |
12:9:43 |
16:39:30 |
| 225 |
2/3 |
7:32:11 |
12:9:48 |
16:47:24 |
| 230 |
2/8 |
7:23:43 |
12:9:35 |
16:55:26 |
| 235 |
2/13 |
7:14:38 |
12:9:4 |
17:3:31 |
| 240 |
2/18 |
7:5:2 |
12:8:18 |
17:11:35 |
| 245 |
2/23 |
6:54:59 |
12:7:18 |
17:19:37 |
| 250 |
2/28 |
6:44:36 |
12:6:6 |
17:27:36 |
| 255 |
3/6 |
6:33:56 |
12:4:43 |
17:35:31 |
| 260 |
3/11 |
6:23:3 |
12:3:13 |
17:43:23 |
| 265 |
3/16 |
6:12:3 |
12:1:38 |
17:51:13 |
| 270 |
3/21 |
6:0:59 |
12:0:0 |
17:59:1 |
| 275 |
3/26 |
5:49:55 |
11:58:22 |
18:6:49 |
| 280 |
3/31 |
5:38:55 |
11:56:47 |
18:14:39 |
| 285 |
4/5 |
5:28:2 |
11:55:17 |
18:22:31 |
| 290 |
4/10 |
5:17:22 |
11:53:54 |
18:30:26 |
| 295 |
4/15 |
5:6:59 |
11:52:42 |
18:38:25 |
| 300 |
4/20 |
4:56:56 |
11:51:42 |
18:46:27 |
| 305 |
4/25 |
4:47:20 |
11:50:56 |
18:54:31 |
| 310 |
4/30 |
4:38:15 |
11:50:25 |
19:2:36 |
| 315 |
5/5 |
4:29:47 |
11:50:12 |
19:10:38 |
| 320 |
5/10 |
4:22:1 |
11:50:17 |
19:18:32 |
| 325 |
5/16 |
4:15:5 |
11:50:39 |
19:26:14 |
| 330 |
5/21 |
4:9:4 |
11:51:20 |
19:33:36 |
| 335 |
5/26 |
4:4:4 |
11:52:17 |
19:38:45 |
| 340 |
5/31 |
4:0:12 |
11:53:29 |
19:46:46 |
| 345 |
6/5 |
3:57:32 |
11:54:55 |
19:52:18 |
| 350 |
6/10 |
3:56:7 |
11:56:30 |
19:56:54 |
| 355 |
6/15 |
3:55:59 |
11:58:13 |
20:0:28 |
 表作成プログラム
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