Gatari Amavasya 2020 holds immense significance as it precedes the beginning of Shravan. Gatari Amavasya 2020 falls on July 20 (Monday), however, it will be commemorated on July 19. Here’s everything you need to know about the celebration of Gatari Amavasya, its significance, Gatari Amavasya 2020 date and more.