| 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. | | | | 2025 12 01 | 19:00 | 12 days | 17 14 50 | -23 42 13 | 07:43 | 12:13 | 16:42 | 1.34 | Not observable | Ophiuchus | 2025 12 02 | 19:00 | 13 days | 17 18 04 | -23 46 04 | 07:43 | 12:12 | 16:41 | 1.33 | Not observable | Ophiuchus | 2025 12 03 | 19:00 | 14 days | 17 21 18 | -23 49 39 | 07:43 | 12:12 | 16:40 | 1.33 | Not observable | Ophiuchus | 2025 12 04 | 19:00 | 15 days | 17 24 33 | -23 53 00 | 07:42 | 12:11 | 16:39 | 1.32 | Not observable | Ophiuchus | 2025 12 05 | 19:00 | 16 days | 17 27 49 | -23 56 06 | 07:42 | 12:10 | 16:38 | 1.32 | Not observable | Ophiuchus | 2025 12 06 | 19:00 | 17 days | 17 31 04 | -23 58 57 | 07:41 | 12:09 | 16:38 | 1.31 | Not observable | Ophiuchus | 2025 12 07 | 19:00 | 18 days | 17 34 20 | -24 01 32 | 07:41 | 12:09 | 16:37 | 1.31 | Not observable | Ophiuchus | 2025 12 08 | 19:00 | 19 days | 17 37 36 | -24 03 53 | 07:40 | 12:08 | 16:36 | 1.30 | Not observable | Ophiuchus | 2025 12 09 | 19:00 | 20 days | 17 40 53 | -24 05 58 | 07:40 | 12:07 | 16:35 | 1.30 | Not observable | Ophiuchus | 2025 12 10 | 19:00 | 21 days | 17 44 10 | -24 07 48 | 07:39 | 12:07 | 16:34 | 1.29 | Not observable | Sagittarius | 2025 12 11 | 19:00 | 22 days | 17 47 27 | -24 09 22 | 07:39 | 12:06 | 16:33 | 1.29 | Not observable | Sagittarius | 2025 12 12 | 19:00 | 23 days | 17 50 45 | -24 10 41 | 07:38 | 12:05 | 16:33 | 1.28 | Not observable | Sagittarius | 2025 12 13 | 19:00 | 24 days | 17 54 03 | -24 11 44 | 07:38 | 12:05 | 16:32 | 1.28 | Not observable | Sagittarius | 2025 12 14 | 19:00 | 25 days | 17 57 21 | -24 12 31 | 07:37 | 12:04 | 16:31 | 1.27 | Not observable | Sagittarius | 2025 12 15 | 19:00 | 26 days | 18 00 40 | -24 13 02 | 07:37 | 12:04 | 16:30 | 1.27 | Not observable | Sagittarius | 2025 12 16 | 19:00 | 27 days | 18 03 58 | -24 13 18 | 07:36 | 12:03 | 16:30 | 1.26 | Not observable | Sagittarius | 2025 12 17 | 19:00 | 28 days | 18 07 17 | -24 13 18 | 07:35 | 12:02 | 16:29 | 1.26 | Not observable | Sagittarius | 2025 12 18 | 19:00 | 29 days | 18 10 36 | -24 13 01 | 07:35 | 12:02 | 16:28 | 1.25 | Not observable | Sagittarius | 2025 12 19 | 19:00 | 30 days | 18 13 55 | -24 12 29 | 07:34 | 12:01 | 16:28 | 1.25 | Not observable | Sagittarius | 2025 12 20 | 19:00 | 01 days | 18 17 15 | -24 11 41 | 07:34 | 12:00 | 16:27 | 1.24 | Not observable | Sagittarius | 2025 12 21 | 19:00 | 02 days | 18 20 35 | -24 10 37 | 07:33 | 12:00 | 16:27 | 1.24 | Not observable | Sagittarius | 2025 12 22 | 19:00 | 03 days | 18 23 54 | -24 09 16 | 07:32 | 11:59 | 16:26 | 1.23 | Not observable | Sagittarius | 2025 12 23 | 19:00 | 04 days | 18 27 14 | -24 07 40 | 07:31 | 11:59 | 16:26 | 1.23 | Not observable | Sagittarius | 2025 12 24 | 19:00 | 05 days | 18 30 34 | -24 05 47 | 07:31 | 11:58 | 16:25 | 1.22 | Not observable | Sagittarius | 2025 12 25 | 19:00 | 06 days | 18 33 54 | -24 03 38 | 07:30 | 11:57 | 16:25 | 1.22 | Not observable | Sagittarius | | All times computed for Cambridge (latitude 42.38; longitude -71.11) | and expressed in Cambridge time. | | Ephemeris computed by Dominic Ford. |