Eclipse 12 Aug 2026 · 20:29
Sant Boi de Llobregat
41.344°, 2.037° · 45 m a.s.l.
99.8% of the Sun covered at maximum
Marginal · score 40/100 Sun at +4° · 286° WNW
Marginal: only 0.61° between the Sun and the local skyline at peak.
Partial eclipse · 99.8% obscuration
SANT BOI DE LLOBREGAT · 41.344° N 2.037° E
Photo: Santboià · Public domain · Wikimedia Commons
In Sant Boi de Llobregat, the Moon covered 99.8% of the Sun.
At 20:29 local time, the Moon took a bite out of the Sun over Sant Boi de Llobregat, covering up to 99.8% of its disc. It didn't become a total or annular eclipse: the Sun kept shining throughout.
The other two eclipses from here
Eclipse 2 Aug 2027
Score 50/ 100
Eclipse visible
The Sun will be 37-41° high, so terrain rules out no city at all: of the 560 assessed, 522 tie on the same score. What decides is being inside the path.
Eclipse 26 Jan 2028
Score 50/ 100
Blocked by terrain
See the eclipse from Sant Boi de Llobregat minute by minute
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About Sant Boi de Llobregat
Sant Boi de Llobregat is a municipality in the province of Barcelona, in Catalonia, located 45 meters above sea level on the flat Llobregat River delta plain, very close to the Mediterranean coast. It has just over 82,000 inhabitants and is part of Barcelona's metropolitan area. Its position on flat terrain, beside the river that gives it its name, directly shapes the horizon lines from which the eclipse will be observed.
For this eclipse
On August 12, 2026, Sant Boi de Llobregat will witness a partial solar eclipse. Maximum obscuration will occur at 20:29, with the Sun at just 4° above the horizon and an azimuth of 286°. The margin relative to the topographic horizon is barely 0.9°, making this observation marginal: any obstacle to the west-northwest — buildings, trees, or hills — can block the Sun's view at that moment.
The weather in August
August in Sant Boi de Llobregat brings average temperatures of 25 °C, with highs around 29 °C and lows of 21 °C. The municipality records a 66% probability of clear skies and about 273 hours of sunshine during the month. August's average precipitation reaches 51 mm, with a moderate storm risk: although most days are sunny, summer afternoons can bring occasional downpours worth keeping in mind when planning the observation. Data: AEMET (1991-2020).
Past eclipses
The last total eclipse visible from Sant Boi de Llobregat occurred on May 12, 1706, 320 years ago, lasting nearly four minutes. The last annular eclipse was recorded on November 11, 1901, 125 years ago, with 82.2% solar obscuration and a visible ring lasting just over five minutes. After the 2026-2028 eclipses, the next annular eclipse will occur on July 13, 2075.
Direction and altitude of the Sun
At the moment of maximum eclipse on August 12, 2026 at 20:29, the Sun will be at 4° above the horizon in a direction of 286°, equivalent to west-northwest. At such a grazing height, the Sun will have already traveled much of its diurnal arc and will be in full descent toward sunset. To observe it safely, you should have a completely clear horizon line in that direction.
Editorial text by eclipses.app · Data: Wikidata, AEMET, NASA and JPL planetary ephemerides.
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The eclipse from Sant Boi de Llobregat
In Sant Boi de Llobregat, the eclipse reached its maximum at 20:29 local time, with 99.8% of the Sun covered by the Moon.
In Sant Boi de Llobregat, the Sun was 4° above the horizon, toward the WNW. It sat right at the edge of the horizon: even a small nearby obstacle could have blocked it.
This area typically sees around 19% median cloud cover at that hour, based on ten years of historical data — not a forecast for this specific eclipse.
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Don't miss it
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Eclipse schedule in Sant Boi de Llobregat
Local time · Europe/Madrid| Phase | Local time | UTC | Progress | Sun alt. | Sun az. |
|---|---|---|---|---|---|
| C1 — Partial begins | 19:35:10 | 17:35:10 UTC | +13.8° | 277.8° | |
| Maximum | 20:29:24 | 18:29:24 UTC | +4.0° | 286.4° | |
| The Sun sets behind the terrain(terrain event, not an eclipse phase) | 20:33 | 18:33 UTC | +3.4° | 286.9° | |
| C4 — Partial endsnot visible | 21:20:28 | 19:20:28 UTC | -4.6° | 294.9° |
Phases marked with ⛰️ were not seen: the Sun was already hidden behind the real terrain at that moment.
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Eclipse phases
Times in CEST local time
Oriented as seen with the naked eye, zenith up (official ephemerides usually draw it with celestial north up, rotated with respect to this).
Phases shown in red aren't observable: they happen while the Sun is below the horizon.
Location
- Latitude
- 41.3436° N
- Longitude
- 2.0366° E
- Elevation
- 45 m
Eclipse phases
- Eclipse begins
- 19:35:10
- Maximum
- 20:29:24
- Eclipse ends
- 21:20:28
- Sunset (flat horizon)
- 20:55:15
Duration
- Eclipse
- 1h 45m 18s
Values at maximum
- Obscuration
- 99.9%
- Sun altitude
- +4.0°
- Sun azimuth
- 286.4°
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Sun direction and altitude at maximum
It was toward WNW (286.4°)
286.4° WNW
Azimuth at maximum
3.97°
Sun altitude at maximum
3.36°
Terrain horizon
+0.61°
Sun−terrain margin
What the contact points (C1-C4) mean
A solar eclipse is described by four key moments, the contact points between the discs of the Sun and the Moon:
- C1First contact: the Moon touches the edge of the Sun and the partial eclipse begins.
- C2Second contact: the Moon fully covers the Sun and totality begins.
- C3Third contact: the Sun reappears and totality ends.
- C4Fourth contact: the Moon leaves the Sun's disc and the eclipse ends.
Where the eclipse is only partial, the Moon never fully covers the Sun: only C1 and C4 occur, with no totality in between.
Peaks near Sant Boi de Llobregat
| Peak | Elevation | Distance | Azimuth |
|---|---|---|---|
| Montau | 658 m | 12.7 km | 271° W |
| Puig d'AgullesIn the Sun's direction | 652.9 m | 14.5 km | 300° WNW |
| el MontcauIn the Sun's direction | 645.8 m | 16.1 km | 298° WNW |
| Roc de ForellacIn the Sun's direction | 628.9 m | 15.1 km | 300° WNW |
| Puig Saiada | 621 m | 11.8 km | 274° W |
| Puig de l'OscaIn the Sun's direction | 614.9 m | 13.0 km | 289° WNW |
| Puig BernatIn the Sun's direction | 612 m | 13.3 km | 284° WNW |
| Pujol de MigjornIn the Sun's direction | 600.6 m | 15.3 km | 305° NW |
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The August sky
Avg. temp.
25.1°C
Max / min
28.9° / 21.3°
Precipitation
51.2 mm
Storm risk
Medium
Station BARCELONA AEROPUERTO, 6 km away · Period 1991-2020 · Source: AEMET
19%Historical average cloud cover
P25 — clearer days · 4%Median cloud cover · 19%P75 — cloudier days · 63%
10-year average over 70 samples: the 3 days before and after 12 August, at the same eclipse hour · Source: ERA5 (ECMWF)
Cloud forecast
Full cloud-cover forecast for eclipse day, including the hour-by-hour outlook toward the sun. Available with PRO.
See plansOther eclipses seen from Sant Boi de Llobregat
- Last total eclipseMay 12, 1706320 years ago
- Last annular eclipseNovember 11, 1901125 years ago
- Next annular eclipseJuly 13, 2075
Solar eclipses computed from astronomical ephemerides for the city's coordinates.
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Frequently asked questions about the eclipse in Sant Boi de Llobregat
Was the eclipse of August 12, 2026 visible from Sant Boi de Llobregat?
Yes, but marginally: with 99.8% obscuration, the topographic horizon from Sant Boi de Llobregat was very close to the Sun's altitude at the end.
What time was the eclipse maximum in Sant Boi de Llobregat?
Maximum occurred at 20:29 local time (18:29 UTC) in Sant Boi de Llobregat.
Which direction was the Sun in during the eclipse from Sant Boi de Llobregat?
The Sun was toward the WNW (azimuth 286°), 4° above the horizon at maximum from Sant Boi de Llobregat.
Was Sant Boi de Llobregat a good place to watch the eclipse?
Sant Boi de Llobregat could see the eclipse with limitations (score 40/100): terrain, geometry, or climatology added risk. A higher-scored viewpoint would have been preferable.
Do I need special glasses to watch the eclipse?
Yes, you need ISO 12312-2 certified eclipse glasses during every partial phase. Regular sunglasses do NOT protect. Glasses can only be removed during the totality phase (when the Sun is fully covered); never during annular or partial eclipses. Pages flagged "visible" assume a clear horizon, not a viewing recommendation.
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