Kalash Sthapana or Ghatasthapana which literally means pot establishing. It is the most important ritual performed on the first day of the Navratri festival. This Kalash Sthapana symbolising Goddess Durga often with her image embossed on the side is placed in the prayer room.
The kalash is filled with holy water and covered with cow dung on to which seeds are sown. A small rectangular sand block is made and the kalash is put in the center The surrounding bed of sand is also seeded with grains.
Also Read : Complete Procedure of Navratri Ghatasthapana
Ghatasthapana is invocation of Goddess Shakti and doing it wrong time, as our scriptures forewarn, might bring wrath of the Goddess Shakti. Ghatasthapana is prohibited during Amavasya and night time.
In 2018, Chaitra Navratri will be celebrated on 18th to 26th March 2018.