When is the next total solar eclipse?

The next total solar eclipse is August 12, 2026, visible from Greenland, Iceland, and northern Spain. The following major total eclipse is August 2, 2027 across Spain, North Africa, and the Middle East — up to 6m23s of totality.

Where can I see the 2026 solar eclipse?

The August 12, 2026 total eclipse crosses Greenland, Iceland, and northern Spain. Use Eclipse Predictor to view the exact path of totality on a 3D globe.

Where is the 2027 eclipse of the century?

The August 2, 2027 total eclipse — one of the longest of the century at over 6 minutes — crosses Spain, Morocco, Algeria, Libya, Egypt, and Saudi Arabia.

2026 & 2027 Solar Eclipse Paths on a 3D Globe

Eclipse Predictor

Step through every solar eclipse from 1900 to 2200 — about 3,700 events. Eclipse identification and Sun/Moon positions come from astronomy-engine (Don Cross's port of Steve Moshier's ephemeris, sub-arcsecond accurate, MIT-licensed). Path of the Moon's shadow is then computed from Besselian elements and traced where the shadow axis pierces Earth's surface.

Controls

← / → — previous / next eclipse (or arrow keys)
JUMP TO — type a year to jump to the nearest cataloged eclipse
PLAY — auto-advance every 2 seconds
Drag the globe to rotate; scroll to zoom
Hover a 3D landmark to see its name

What you see

Red ribbon: path of totality / annularity (umbra centerline as Earth rotates beneath the Moon's shadow)
Yellow dot: point of greatest eclipse (where shadow axis comes closest to Earth's center)
Faint outer band: rough penumbra extent (where partial eclipse is visible)

How it works

Sun & Moon positions from astronomy-engine (Moshier's port of JPL DE-style theories) — sub-arcsecond accurate
Eclipse search via SearchGlobalSolarEclipse/NextGlobalSolarEclipse from the same library
Besselian elements (x, y, d, μ, ℓ1, ℓ2) computed from geocentric Sun & Moon vectors
Central path = trace of where the shadow axis pierces Earth's surface, sampled every 30 s for ±3 hours around greatest eclipse

Accuracy

Eclipse times match NASA's catalog to seconds. Path positions are accurate to roughly ±1–2 km on the ground for the entire 1900–2200 range — effectively NASA-precision for a single-file browser tool. For mission-critical use, cross-check with eclipse.gsfc.nasa.gov.

The Math

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1 · TIME

$$ JD_{\text{TT}} = JD_{\text{UT}} + \frac{\Delta T}{86400}, \qquad \theta_0 = 280.46061837 + 360.98564736629\,(JD - J2000) + \dots $$

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2 · SUN POSITION (astronomy-engine, equator-of-date with aberration)

$$ L_0 = 280.46646 + 36000.76983\,T,\quad M = 357.52911 + 35999.05029\,T $$ $$ C = (1.9146 - 0.0048\,T)\sin M + 0.020\sin 2M + \dots,\quad \lambda_\odot = L_0 + C $$ $$ R = \tfrac{1.0001\,(1-e^2)}{1 + e\cos(M+C)}\;\text{AU} $$

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3 · MOON POSITION (astronomy-engine, Moshier ephemeris)

$$ \lambda_\text{☾} = L' + 10^{-6}\!\!\sum_i a_i \sin(d_i D + m_i M + m'_i M' + f_i F) $$ $$ \beta_\text{☾} = 10^{-6}\!\!\sum_i b_i \sin(\dots),\qquad r_\text{☾} = 385000.56 + \tfrac{1}{1000}\sum_i c_i \cos(\dots) $$

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4 · BESSELIAN ELEMENTS

$$ \vec{G} = \vec{r}_\text{☾} - \vec{r}_\odot,\quad \hat{a} = \tfrac{\vec G}{|\vec G|}\;\Rightarrow\; (\alpha, d) $$ $$ x = \tfrac{-M_x \sin\alpha + M_y\cos\alpha}{R_\oplus},\quad y = \tfrac{-M_x\sin d\cos\alpha - M_y\sin d\sin\alpha + M_z\cos d}{R_\oplus} $$ $$ \mu = \theta_0 - \alpha,\quad \tan f_1 = \tfrac{R_\odot + k R_\oplus}{|\vec G|},\quad \tan f_2 = \tfrac{R_\odot - k R_\oplus}{|\vec G|} $$ $$ \ell_1 = z\tan f_1 + \tfrac{k}{\cos f_1},\quad \ell_2 = z\tan f_2 - \tfrac{k}{\cos f_2} $$

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5 · MAGNITUDE & GAMMA

$$ \gamma = \sqrt{x^2 + y^2},\qquad \text{mag} = \frac{\theta_\text{☾}}{\theta_\odot} = \frac{k R_\oplus / r_\text{☾}}{R_\odot / r_\odot} $$

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6 · CLASSIFICATION

$$ \text{type} = \begin{cases} \mathrm{T} & \gamma < 1 \text{ and } \ell_2 < 0 \;(\text{umbra reaches Earth}) \\ \mathrm{A} & \gamma < 1 \text{ and } \ell_2 > 0 \;(\text{antumbra}) \\ \mathrm{P} & \gamma \ge 1 \;(\text{penumbra only}) \end{cases} $$

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7 · CENTRAL PATH ON EARTH

$$ z = \sqrt{1 - x^2 - y^2}\;\text{(spherical Earth, fundamental plane to surface)} $$ $$ \begin{aligned} X &= -x\sin(-\mu) - y\sin d\cos(-\mu) + z\cos d\cos(-\mu) \\ Y &= x\cos(-\mu) - y\sin d\sin(-\mu) + z\cos d\sin(-\mu) \\ Z &= y\cos d + z\sin d \end{aligned}$$ $$ \varphi = \arcsin Z,\qquad \lambda = \operatorname{atan2}(Y, X) $$

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