title: Deep time (disambiguation)
text: # Deep time (disambiguation)
  
  Deep time is geologic time.
  
  The term is also used in the following ways:
  
  * Joanna Macy uses the term deep time to refer to the practice of using guided meditation to visualize one's ancestors and descendants
  * Michael Murphy (author) uses the term deep time to refer to the experience of unusual freedom within time or unawareness of time, known to psychologists as the flow state
  