Sri Aurobindo translates Brihadaranyaka Upanishad, Chapter One, Section 2, Verse 4: “He desired, ‘Let a second self be born to me.’ He by mind had intercourse with speech, even Hunger that is Death; the seed that was of that union became Time. For before this Time was not (period of Time) but so long He had borne him in Himself. So long as is Time’s period, after so long He gave it birth. He yearned upon him as soon as it was born; it cried out and that became speech.”
Manifesting the created universe occurs through the initiation of a vibration. This vibration is OM, the sound-body of the universe. Before there is any vibration, in an absolute stillness, there is no Time, although it remains potential within Existence-Consciousness-Bliss. With the initiation of the process of manifestation, vibrations ensued to develop the entire creation in extension through Time and Space.
Scriptures in India speak of the process of creation and withdrawal of the manifestation as a recurrent phenomenon. The “in breath” and the “out breath” of the Divine. The creation proceeds through vibration, the withdrawal through stilling the vibration.
The Christian Bible starts with “In the beginning was the Word”, which defines creation as the initiation of vibration as well. Western scientists refer to the “big bang” as the beginning of creation when vibration was loosed forth and then created all that exists through Time. The Rishis obviously were ahead of their time in understanding this.
Sri M. P. Pandit notes: “He then decided to multiply. For this purpose He activated His Word-Potential by the conscious force of His Intelligence, and Time was conceived. Ere this there was no duration of Time. He held the Time-seed in incubation for a full period and then was Time born. And out of Time erupted the Speech, vak.”