Maa Kali - The Compassionate Goddess Maha Kaali is the most compassionate of all the forms of goddesses as she provides salvation or liberation to her children. Kali is equivalent to Shiva because both of them are the destroyers of evil fake and unreal. It is considered that with the glimpse of Maa Kali, ego trembles with terror seeing its own eventual demise in her. People who are attached to their ego would not be able to receive the idea of Kali and she will appear in a wrathful form to them. But people, who are engaged in spirituality, removing the illusion of the ego, will find Maha Kaali in a different form. Maa Kali will appear as sweet, affectionate, and overflowing with perplexing love for them.
The name Kali comes from Kāla which means black, time, death, lord of death, Shiva. Kali means "the black one". Since Shiva is called Kāla - the eternal time, Kālī, his consort, also means "the Time" or "Death
In spite of her seemingly terrible form, Kali Ma is often considered the kindest and most loving of all the Hindu goddesses, as she is regarded by her devotees as the Mother of the whole Universe. And, because of her terrible form she is also often seen as a great protector. When the Bengali saint Ramakrishna once asked a devotee why one would prefer to worship Mother over him, this devotee rhetorically replied, "Maharaj, when they are in trouble your devotees come running to you. But, where do you run when you are in trouble?"
According to Ramakrishna, darkness is the Ultimate Mother, or Kali:
My Mother is the principle of consciousness. She is Akhanda Satchidananda; indivisible Reality, Awareness, and Bliss. The night sky between the stars is perfectly black. The waters of the ocean depths are the same; The infinite is always mysteriously dark. This inebriating darkness is my beloved Kali.
Hence, Kali is considered the goddess of time and change