This calculator shows astronomical twilight times for any date, independent of cloud cover or actual observing conditions.
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 19:48 - 20:35 |
| Deep Sky Darkness | 20:35 - 04:25 |
| Astronomical Twilight (Morning) | 04:25 - 05:12 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 47 minutes |
| Deep Sky Darkness | 7 hours 50 minutes |
| Total Imaging Time | 9 hours 24 minutes |
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 19:51 - 20:38 |
| Deep Sky Darkness | 20:38 - 04:22 |
| Astronomical Twilight (Morning) | 04:22 - 05:10 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 47 minutes |
| Deep Sky Darkness | 7 hours 44 minutes |
| Total Imaging Time | 9 hours 19 minutes |
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 19:53 - 20:41 |
| Deep Sky Darkness | 20:41 - 04:19 |
| Astronomical Twilight (Morning) | 04:19 - 05:07 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 48 minutes |
| Deep Sky Darkness | 7 hours 38 minutes |
| Total Imaging Time | 9 hours 14 minutes |
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 19:55 - 20:43 |
| Deep Sky Darkness | 20:43 - 04:15 |
| Astronomical Twilight (Morning) | 04:15 - 05:04 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 48 minutes |
| Deep Sky Darkness | 7 hours 32 minutes |
| Total Imaging Time | 9 hours 9 minutes |
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 19:58 - 20:46 |
| Deep Sky Darkness | 20:46 - 04:12 |
| Astronomical Twilight (Morning) | 04:12 - 05:01 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 48 minutes |
| Deep Sky Darkness | 7 hours 26 minutes |
| Total Imaging Time | 9 hours 3 minutes |
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 20:00 - 20:48 |
| Deep Sky Darkness | 20:48 - 04:09 |
| Astronomical Twilight (Morning) | 04:09 - 04:58 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 48 minutes |
| Deep Sky Darkness | 7 hours 21 minutes |
| Total Imaging Time | 8 hours 58 minutes |
| Period | Time |
|---|---|
| Astronomical Twilight (Evening) | 20:02 - 20:51 |
| Deep Sky Darkness | 20:51 - 04:06 |
| Astronomical Twilight (Morning) | 04:06 - 04:55 |
| Period | Duration |
|---|---|
| Astronomical Twilight (Evening) | 0 hours 49 minutes |
| Deep Sky Darkness | 7 hours 15 minutes |
| Total Imaging Time | 8 hours 53 minutes |