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Kp2.7
Solar wind346 km/s
X-rayB9.1
StormG0 (Quiet)
Source: NOAA SWPCAstronomy & Aurora Tonight in Grytviken, GS
2026-10-07 · times in Atlantic/South_Georgia · 54.28°S, 36.51°W
Sunrise, Sunset & Twilight
| Event | Time |
|---|---|
| Sunrise | 5:37 AM |
| Sunset | 6:51 PM |
| Day length | 13 h 15 min |
| End of civil twilight | 7:28 PM |
| End of nautical twilight | 8:13 PM |
| End of astronomical twilight | 9:02 PM |
| Night length (sunset to sunrise) | 10 h 43 min |
| Fully dark sky tonight | 6 h 21 min |
| Astronomical twilight starts (morning) | 3:23 AM |
Moon
| Moonrise | 4:38 AM |
| Moonset | 3:14 PM |
| Illumination | 9.2% |
| Phase | Waning Crescent |
| Sublunar point (Moon overhead) | 7.18°N, 147.30°W |
| Sublunar point ground speed | 1,603 km/h |
Moon values are for the moment this page was generated (19:25 UTC). A moonrise or moonset can be missing on a given date.
Planets Tonight
| Planet | Rise | Set | Meridian | Visibility |
|---|---|---|---|---|
| Mercury (mag -0.1) | 6:00 AM | 9:29 PM | 1:43 PM | Visible about 1.5 h after dark, highest 16° toward the W. |
| Venus (mag -4.6) | 5:18 AM | 9:47 PM | 1:33 PM | Visible about 1.8 h after dark, highest 18° toward the W. |
| Mars (mag 1.1) | 3:51 AM | 11:56 AM | 7:53 AM | Visible about 0.3 h after dark, highest 6° toward the NE. |
| Jupiter (mag -1.9) | 4:19 AM | 1:30 PM | 8:54 AM | Not visible tonight: below the horizon (or too low) while the sky is dark. |
| Saturn (mag 0.2) | 6:11 PM | 6:00 AM | 12:08 AM | Visible about 9.5 h after dark, highest 34° toward the N. |
Aurora Tonight
Aurora possible
Grytviken is far enough from the equator for aurora. Planetary Kp is 2.7. Seeing it still needs a dark, clear sky.

NOAA SWPC OVATION model. Full aurora forecast
Nearby Locations
- Stanley1,452 km away
- Comodoro Rivadavia2,377 km away
- Mar del Plata2,412 km away
- Bahia Blanca2,597 km away
- Montevideo2,640 km away
- La Plata2,719 km away
- Berazategui2,746 km away
- Quilmes2,752 km away
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