August 12, 2026, will bring a spectacular total solar eclipse, with the Moon passing directly between Earth and the Sun and briefly turning daylight into darkness along the narrow path of totality. In this explainer, NDTV’s Apurva Adhikari explains everything you need to know about the August 12 solar eclipse — what a solar eclipse is, when it will happen, where totality will be visible, what viewers in Europe can expect, and whether the eclipse will be visible from India.