Umbra.

Annular solar eclipse of 20 March 2053

A annular solar eclipse crosses the Earth on 20 March 2053. Along a track 28 km wide the Moon sits centred on the Sun but is too small to cover it, leaving a ring of sunlight for up to 49 s. The central line runs across Fiji.

The numbers

Type
Annular solar eclipse
Date
20 March 2053
Greatest eclipse
07:06:44 UTC
Eclipse magnitude
0.992
Gamma
0.4093
Central duration
49 s
Path width
28 km at greatest eclipse
Greatest eclipse at
23.0°S 83.0°E

See it in 3D

The simulator places the Sun, Earth and Moon at their true relative positions for this date and draws the shadow cones at real scale. You can scrub through the eclipse, drop an observer anywhere, and watch the umbra sweep the surface.

Loads about 300 KB on demand — nothing is downloaded until you press it.

Local circumstances

All times are UTC. Contact times are computed for each city from the Besselian elements against the WGS84 ellipsoid, at sea level and without refraction.

Contact times and maximum obscuration
PlaceC1C2 MaxC3C4 CentralObscuredSun alt.
DenpasarIndonesia 07:09:24 08:33:04 09:44:36 97.1% 28°
MataramIndonesia 07:11:14 08:34:04 09:44:59 97.0% 27°
Flying Fish CoveChristmas Island 06:45:22 08:18:04 09:37:09 95.7% 41°
JemberIndonesia 07:07:06 08:32:04 09:44:29 95.5% 30°
MalangIndonesia 07:05:12 08:31:04 09:44:12 94.1% 31°
KediriIndonesia 07:04:11 08:30:24 09:44:03 93.0% 32°

C1 and C4 are first and last contact, when the Moon's disc touches the Sun's. C2 and C3 bracket the central phase. 238 of the 2,250 cities in the database see at least a 3% partial eclipse.

How these figures were produced

Positions come from astronomy-engine, a VSOP87/ELP implementation. From the geocentric Sun and Moon vectors the site computes Besselian elements — x, y, d, μ, l1, l2, tan f1 and tan f2 — and solves the observer's position on the fundamental plane against the WGS84 ellipsoid. Central durations agree with NASA's Five Millennium Canon to within about half a second. Full method and validation.