| Ephemeris for Mars | | DATE | Time | Age of | RIGHT ASCENS | DECLINATION | Rise | Culm | Set | Approx| Observable | Constellation | Year Mth Day | | Moon | hour min sec | deg min sec | | | | Mag. | | | | 2031 09 30 | 20:00 | 15 days | 17 28 36 | −25 15 29 | 13:10 | 17:32 | 21:54 | 0.40 | 19:00 until 20:31 | Ophiuchus | 2031 10 01 | 20:00 | 16 days | 17 31 38 | −25 17 19 | 13:10 | 17:31 | 21:53 | 0.40 | 18:58 until 20:30 | Ophiuchus | 2031 10 02 | 20:00 | 17 days | 17 34 40 | −25 18 54 | 13:09 | 17:30 | 21:52 | 0.41 | 18:56 until 20:29 | Ophiuchus | 2031 10 03 | 20:00 | 18 days | 17 37 43 | −25 20 17 | 13:08 | 17:30 | 21:51 | 0.42 | 18:55 until 20:28 | Ophiuchus | 2031 10 04 | 20:00 | 19 days | 17 40 47 | −25 21 26 | 13:07 | 17:29 | 21:50 | 0.43 | 18:53 until 20:26 | Ophiuchus | 2031 10 05 | 20:00 | 20 days | 17 43 51 | −25 22 22 | 13:06 | 17:28 | 21:49 | 0.43 | 18:51 until 20:25 | Sagittarius | 2031 10 06 | 20:00 | 21 days | 17 46 56 | −25 23 04 | 13:06 | 17:27 | 21:48 | 0.44 | 18:50 until 20:24 | Sagittarius | 2031 10 07 | 20:00 | 22 days | 17 50 01 | −25 23 32 | 13:05 | 17:26 | 21:47 | 0.45 | 18:48 until 20:23 | Sagittarius | 2031 10 08 | 20:00 | 23 days | 17 53 07 | −25 23 46 | 13:04 | 17:25 | 21:46 | 0.46 | 18:47 until 20:22 | Sagittarius | 2031 10 09 | 20:00 | 24 days | 17 56 13 | −25 23 46 | 13:03 | 17:24 | 21:45 | 0.46 | 18:45 until 20:21 | Sagittarius | 2031 10 10 | 20:00 | 25 days | 17 59 20 | −25 23 31 | 13:02 | 17:24 | 21:45 | 0.47 | 18:43 until 20:20 | Sagittarius | 2031 10 11 | 20:00 | 26 days | 18 02 27 | −25 23 03 | 13:02 | 17:23 | 21:44 | 0.48 | 18:42 until 20:19 | Sagittarius | 2031 10 12 | 20:00 | 27 days | 18 05 35 | −25 22 20 | 13:01 | 17:22 | 21:43 | 0.49 | 18:40 until 20:18 | Sagittarius | 2031 10 13 | 20:00 | 28 days | 18 08 43 | −25 21 22 | 13:00 | 17:21 | 21:42 | 0.49 | 18:39 until 20:18 | Sagittarius | 2031 10 14 | 20:00 | 29 days | 18 11 52 | −25 20 10 | 12:59 | 17:20 | 21:42 | 0.50 | 18:37 until 20:17 | Sagittarius | 2031 10 15 | 20:00 | 30 days | 18 15 01 | −25 18 44 | 12:58 | 17:19 | 21:41 | 0.51 | 18:36 until 20:16 | Sagittarius | 2031 10 16 | 20:00 | 01 days | 18 18 11 | −25 17 02 | 12:57 | 17:19 | 21:40 | 0.51 | 18:34 until 20:15 | Sagittarius | 2031 10 17 | 20:00 | 02 days | 18 21 20 | −25 15 06 | 12:56 | 17:18 | 21:40 | 0.52 | 18:33 until 20:15 | Sagittarius | 2031 10 18 | 20:00 | 03 days | 18 24 31 | −25 12 55 | 12:55 | 17:17 | 21:39 | 0.53 | 18:31 until 20:14 | Sagittarius | 2031 10 19 | 20:00 | 04 days | 18 27 41 | −25 10 29 | 12:54 | 17:16 | 21:38 | 0.53 | 18:30 until 20:13 | Sagittarius | 2031 10 20 | 20:00 | 05 days | 18 30 52 | −25 07 48 | 12:53 | 17:16 | 21:38 | 0.54 | 18:29 until 20:13 | Sagittarius | 2031 10 21 | 20:00 | 06 days | 18 34 03 | −25 04 52 | 12:52 | 17:15 | 21:37 | 0.55 | 18:27 until 20:12 | Sagittarius | 2031 10 22 | 20:00 | 07 days | 18 37 14 | −25 01 41 | 12:51 | 17:14 | 21:37 | 0.55 | 18:26 until 20:12 | Sagittarius | 2031 10 23 | 20:00 | 08 days | 18 40 25 | −24 58 15 | 12:50 | 17:13 | 21:36 | 0.56 | 18:24 until 20:11 | Sagittarius | 2031 10 24 | 20:00 | 09 days | 18 43 37 | −24 54 34 | 12:49 | 17:13 | 21:36 | 0.57 | 18:23 until 20:11 | Sagittarius | | All times computed for Cambridge (latitude 42.38; longitude -71.11) | and expressed in Cambridge time. | | Ephemeris computed by Dominic Ford. |