All dates are the 21st of the month (data from 2019)
| Month | Time | Evanston Solar Noon | Evanston Safe Sun Minutes | Montreal Solar Noon | Montreal Safe Sun Minutes | Sunnyvale Solar Noon | Sunnyvale Safe Sun Minutes | Halifax Solar Noon | Halifax Safe Sun Minutes | Alton Solar Noon | Alton Safe Sun Minutes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 12:00 | 12:02 | 46 | 12:05 | 63 | 12:19 | 33 | 12:25 | 60 | 12:27 | 32 |
| 1 | 15:00 | 12:02 | 198 | 12:05 | 281 | 12:19 | 90 | 12:25 | 175 | 12:27 | 75 |
| 2 | 12:00 | 12:05 | 25 | 12:08 | 30 | 12:22 | 20 | 12:28 | 29 | 12:30 | 19 |
| 2 | 15:00 | 12:05 | 69 | 12:08 | 84 | 12:22 | 41 | 12:28 | 61 | 12:30 | 36 |
| 3 | 12:00 | 11:58 | 16 | 12:02 | 18 | 12:16 | 14 | 12:22 | 17 | 12:23 | 14 |
| 3 | 15:00 | 11:58 | 35 | 12:02 | 39 | 12:16 | 25 | 12:22 | 31 | 12:23 | 23 |
| 4 | 12:00 | 11:49 | 12 | 11:53 | 13 | 12:07 | 11 | 12:13 | 12 | 12:14 | 11 |
| 4 | 14:00 | 11:49 | 15 | 11:53 | 16 | 12:07 | 13 | 12:13 | 15 | 12:14 | 13 |
| 4 | 16:00 | 11:49 | 46 | 11:53 | 46 | 12:07 | 33 | 12:13 | 35 | 12:14 | 30 |
| 5 | 12:00 | 11:47 | 10 | 11:51 | 11 | 12:05 | 10 | 12:11 | 11 | 12:12 | 10 |
| 5 | 14:00 | 11:47 | 13 | 11:51 | 13 | 12:05 | 12 | 12:11 | 12 | 12:12 | 11 |
| 5 | 16:00 | 11:47 | 32 | 11:51 | 31 | 12:05 | 26 | 12:11 | 25 | 12:12 | 24 |
| 6 | 12:00 | 11:52 | 10 | 11:56 | 10 | 12:10 | 10 | 12:16 | 10 | 12:18 | 10 |
| 6 | 14:00 | 11:52 | 12 | 11:56 | 12 | 12:10 | 11 | 12:16 | 12 | 12:18 | 11 |
| 6 | 16:00 | 11:52 | 26 | 11:56 | 26 | 12:10 | 22 | 12:16 | 21 | 12:18 | 21 |
| 6 | 18:00 | 11:52 | 255 | 11:56 | 193 | 12:10 | 191 | 12:16 | 122 | 12:18 | 159 |
| 7 | 12:00 | 11:57 | 10 | 12:01 | 11 | 12:15 | 10 | 12:21 | 11 | 12:22 | 10 |
| 7 | 14:00 | 11:57 | 13 | 12:01 | 13 | 12:15 | 11 | 12:21 | 12 | 12:22 | 11 |
| 7 | 16:00 | 11:57 | 28 | 12:01 | 27 | 12:15 | 23 | 12:21 | 22 | 12:22 | 21 |
| 8 | 12:00 | 11:54 | 12 | 11:57 | 12 | 12:11 | 11 | 12:17 | 12 | 12:19 | 11 |
| 8 | 14:00 | 11:54 | 15 | 11:57 | 16 | 12:11 | 13 | 12:17 | 14 | 12:19 | 12 |
| 8 | 16:00 | 11:54 | 42 | 11:57 | 42 | 12:11 | 31 | 12:17 | 32 | 12:19 | 28 |
| 9 | 12:00 | 11:43 | 15 | 11:47 | 17 | 12:01 | 13 | 12:07 | 17 | 12:08 | 13 |
| 9 | 15:00 | 11:43 | 41 | 11:47 | 45 | 12:01 | 28 | 12:07 | 34 | 12:08 | 26 |
| 10 | 12:00 | 11:35 | 25 | 11:39 | 30 | 11:53 | 20 | 11:59 | 28 | 12:00 | 19 |
| 10 | 15:00 | 11:35 | 115 | 11:39 | 141 | 11:53 | 61 | 11:59 | 92 | 12:00 | 52 |
| 11 | 12:00 | 11:37 | 47 | 11:41 | 64 | 11:55 | 32 | 12:01 | 58 | 12:02 | 31 |
| 11 | 15:00 | 11:37 | 345 | 11:41 | 488 | 11:55 | 139 | 12:01 | 276 | 12:02 | 111 |
| 12 | 12:00 | 11:49 | 64 | 11:53 | 93 | 12:07 | 42 | 12:13 | 85 | 12:14 | 40 |
| 12 | 15:00 | 11:49 | 439 | 11:53 | 663 | 12:07 | 166 | 12:13 | 373 | 12:14 | 132 |