2月17日 的 EclipseTimesCalc 應用程式分析

This uses the algorithms developed over the past 150 years along with the best information available about the locations of sun, moon, and earth to predict when an eclipse will occur at a particular location on the earth. This is useful to find where to go, where to look, and how the moon will move across the sun. It also provides the sunrise/set times for the location