On March 20, a total solar eclipse will happen. Although unless you live in the north polar regions, you are unlikely to see much. You can map the areas of visibility using the Wolfram Language.
GeoGraphics[{GeoStyling[None],Opacity[.7],Red,SolarEclipse[DateObject[{2015,3,20}],"TotalPhasePolygon",EclipseType->"Total"],Opacity[.3],SolarEclipse[DateObject[{2015,3,20}],"PartialPhasePolygon",EclipseType->"Total"]},GeoProjection->"Equirectangular",GeoRange->All]
People in Europe, the UK, North Africa, and Western Asia should see various degrees of partial eclipse. Unfortunately, those of us in North America won’t be able to see any of the event.

CITE THIS NOTEBOOK

Mapping Total Solar Eclipse on March 20 2015​
by Jeff Bryant​
Wolfram Community, STAFF PICKS, 2015
​https://community.wolfram.com/groups/-/m/t/462064