| Astronomical Times for Gloucester (51.88, -2.17) Starting 17 Jan 2021, for the next 10 days | |||||||
| Date | Morning | Sunrise | Sunset | Evening | Moonrise | Moonset | Moon Phase |
| Twilight | Twilight | ||||||
| 17 Jan 2021 | 06:34 | 08:04 | 16:32 | 18:02 | 10:37 | 21:34 |  |
| 18 Jan 2021 | 06:33 | 08:03 | 16:34 | 18:04 | 10:52 | 22:43 | |
| 19 Jan 2021 | 06:32 | 08:02 | 16:36 | 18:06 | 11:06 | 23:52 | |
| 20 Jan 2021 | 06:31 | 08:01 | 16:37 | 18:07 | 11:21 | None |  |
| 21 Jan 2021 | 06:30 | 08:00 | 16:39 | 18:09 | 11:36 | 01:00 | |
| 22 Jan 2021 | 06:29 | 07:59 | 16:41 | 18:11 | 11:53 | 02:08 | |
| 23 Jan 2021 | 06:28 | 07:58 | 16:42 | 18:12 | 12:14 | 03:18 |  |
| 24 Jan 2021 | 06:27 | 07:57 | 16:44 | 18:14 | 12:42 | 04:27 | |
| 25 Jan 2021 | 06:25 | 07:55 | 16:46 | 18:16 | 13:18 | 05:34 | |
| 26 Jan 2021 | 06:24 | 07:54 | 16:48 | 18:18 | 14:05 | 06:36 |  |
| Planetary Data for today | ||||||||||
 |  |  |  |  |  |  |  | |||
| Mercury | Venus | Mars | Jupiter | Saturn | Uranus | Neptune | Pluto | |||
| Rises | 09:05 | 07:18 | 11:14 | 08:41 | 08:33 | 11:27 | 10:08 | 08:14 | ||
| Meridian | 13:29 | 11:07 | 18:28 | 12:56 | 12:43 | 18:36 | 15:39 | 12:07 | ||
| Sets | 17:52 | 14:56 | 01:44 | 17:10 | 16:53 | 01:49 | 21:10 | 15:59 | ||
| Constellation | Capricornus | Sagittarius | Aries | Capricornus | Capricornus | Aries | Aquarius | Sagittarius | ||
| Visible ISS Passes | ||||||||||
 | ||||||||||
| Date | Brightness | Start | Highest point | End | ||||||
| (mag) | Time | Alt. | Az. | Time | Alt. | Az. | Time | Alt. | Az. | |
| 19 Jan | -1.4 | 18:29:23 | 10° | S | 18:30:25 | 13° | SSE | 18:30:25 | 13° | SSE |
| 20 Jan | -1.5 | 19:16:30 | 10° | SW | 19:17:47 | 20° | SSW | 19:17:47 | 20° | SSW |
| 21 Jan | -2.4 | 18:29:05 | 10° | SSW | 18:31:57 | 26° | SSE | 18:32:07 | 26° | SE |
| 21 Jan | -0.2 | 20:05:04 | 10° | WSW | 20:05:04 | 10° | WSW | 20:05:04 | 10° | WSW |
| 22 Jan | -1.9 | 17:41:52 | 10° | S | 17:44:19 | 19° | SE | 17:46:24 | 12° | ESE |
| 22 Jan | -2.1 | 19:17:20 | 10° | WSW | 19:19:21 | 32° | SW | 19:19:21 | 32° | SW |
| 23 Jan | -3.3 | 18:29:39 | 10° | SW | 18:32:54 | 47° | SSE | 18:33:33 | 40° | ESE |
| 23 Jan | -0.3 | 20:06:12 | 10° | W | 20:06:30 | 12° | W | 20:06:30 | 12° | W |
| 24 Jan | -2.7 | 17:42:04 | 10° | SW | 17:45:10 | 35° | SSE | 17:47:44 | 14° | E |
| 24 Jan | -2.5 | 19:18:23 | 10° | W | 19:20:40 | 40° | WSW | 19:20:40 | 40° | WSW |
| 25 Jan | -3.8 | 18:30:34 | 10° | WSW | 18:33:56 | 73° | SSE | 18:34:49 | 45° | E |
| 25 Jan | -0.4 | 20:07:20 | 10° | W | 20:07:45 | 13° | W | 20:07:45 | 13° | W |
| Visible Iridium Flares for the next 7 days | |||||
 | |||||
| Date | Time | Magnitude | Altitude | Azimuth | Satellite |
| No visible Iridium Flares during this time period | |||||