Lunar eclipse · Saros 148

Penumbral Lunar Eclipse

August 17, 2027 — visible across Pacific, Americas.

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About this eclipse

What happens
The Moon glides through Earth's faint outer (penumbral) shadow — a subtle shading across the disk rather than a dark bite, best seen as a gentle dimming.
Where it’s visible
Pacific, Americas

Geometry & timing

Greatest eclipse (TD)
07:14:59 · ΔT 76s
Greatest eclipse (UTC)
07:13:43
Saros series
148
Magnitude
0.5456 / -0.5254 (penumbral / umbral)
Moon overhead at greatest
12°S, 108°W
Phase durations
218.6 min

Sources

Timing and geometry from NASA’s eclipse catalogs. Verify local circumstances before you travel.

  • NASALunar eclipse catalog (2001–2100)
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How the eclipse unfolds

PenumbraUmbraMoon

Schematic of the Moon crossing Earth’s penumbra (outer) and umbra (inner) at greatest eclipse. Visible anywhere the Moon is above the horizon: Pacific, Americas.

The Moon is above the horizon — and the eclipse visible — on the marker’s side of the dashed line (its position at greatest eclipse).

More eclipses

Related events — same Saros family and nearby dates.

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  • May 9, 2032 · Saros 148Annular Solar Eclipse
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  • Jul 18, 2027 · Saros 110Penumbral Lunar Eclipse
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  • Feb 20, 2027 · Saros 143Penumbral Lunar Eclipse
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  • Dec 9, 2030 · Saros 145Penumbral Lunar Eclipse
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  • Mar 25, 2024 · Saros 113Penumbral Lunar Eclipse
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  • May 7, 2031 · Saros 112Penumbral Lunar Eclipse
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