In 2025 Mahashivratri will be February 26, and people will fast from morning to next sunrise to align their energies with Shiva. And here are some rules that many would be unversed with.In 2025 Mahashivratri will be February 26, and people will fast from morning to next sunrise to align their energies with Shiva. And here are some rules that many would be unversed with.