| Night Time: | 15 hours, 32 minutes |
|---|---|
| Sunset: | Dec 10 at 4:13 pm |
| End of Twilight*: | Dec 10 at 5:29 pm |
| Start of Twilight*: | Dec 11 at 6:30 am |
| Sunrise: | Dec 11 at 7:45 am |
Comet Watch: Latest News as 3I/ATLAS Nears Earth
Interstellar comet 3I/ATLAS reaches its closest point to Earth on December 19. We caught up with the team at the Institute of Astrophysics in Santiago, Chile.
Our Interactive Night Sky Map simulates the sky above Philadelphia Mountain. The Moon and planets have been enlarged slightly for clarity. On mobile devices, tap to steer the map by pointing your device at the sky. Need some help?
Currently showing previous night. For planet visibility in the coming night, please check again after 12 noon.
Tonight's Sky in Philadelphia Mountain, Dec 10 – Dec 11, 2025
Mercury rise and set in Philadelphia Mountain
View just before sunrise.
Mercury is close to the Sun and can only be seen shortly before sunrise. Try finding a good, unobstructed view of the horizon.
Thu, Dec 11 ↑5:54 am
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Venus rise and set in Philadelphia Mountain
Fairly close to the Sun. Visible only before sunrise and/or after sunset.
Venus is just 6 degrees from the Sun in the sky, so it is difficult to see. Venus is visible by day, but may be hard to find.
Thu, Dec 11 ↑7:15 am
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Mars rise and set in Philadelphia Mountain
Very close to Sun, hard or impossible to see.
Mars is just 8 degrees from the Sun in the sky, so it is difficult or impossible to see it.
Wed, Dec 10 ↓4:37 pm
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Jupiter rise and set in Philadelphia Mountain
Most of the night until sunrise.
Jupiter is visible during most of the night, but it is best viewed in the early morning hours and until sunrise.
Wed, Dec 10 ↑6:41 pm
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Saturn rise and set in Philadelphia Mountain
View after sunset.
Saturn can be seen for more than 8 hours after sunset and during the late evening/early night.
Thu, Dec 11 ↓12:17 am
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Uranus rise and set in Philadelphia Mountain
After sunset and most of the night. Bring binoculars.
Uranus is visible during most of the night, but it is best viewed in the late evening hours after sunset. You may need binoculars.
Thu, Dec 11 ↓6:06 am
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Neptune rise and set in Philadelphia Mountain
View after sunset. Use binoculars.
Neptune can be seen for more than 8 hours after sunset and during the late evening/early night. Very faint, use binoculars.
Thu, Dec 11 ↓12:41 am
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Planets Visible in Philadelphia Mountain
| Planetrise/Planetset, Thu, Dec 11, 2025 | ||||
|---|---|---|---|---|
| Planet | Rise | Set | Meridian | Comment |
| Mercury | Thu 5:54 am | Thu 3:13 pm | Thu 10:33 am | Average visibility |
| Venus | Thu 7:15 am | Thu 3:50 pm | Thu 11:32 am | Slightly difficult to see |
| Mars | Wed 8:26 am | Wed 4:37 pm | Wed 12:32 pm | Extremely difficult to see |
| Jupiter | Wed 6:41 pm | Thu 10:12 am | Thu 2:27 am | Perfect visibility |
| Saturn | Wed 12:47 pm | Thu 12:17 am | Wed 6:32 pm | Great visibility |
| Uranus | Wed 2:55 pm | Thu 6:06 am | Wed 10:31 pm | Average visibility |
| Neptune | Wed 12:49 pm | Thu 12:41 am | Wed 6:45 pm | Difficult to see |
