There are several keys that can be used to control the rate and direction of the passage of time.

Table of keys Edit



J Reverse time
K Decrease rate by 10x
Shift+K Decrease rate by 2x (new in version 1.5.0)
L Increase rate by 10x
Shift+L Increase rate by 2x (new in version 1.5.0)
Space Stop time
 ! Set time to the computer's current time
 ? Display travel time for light between observer and selected object
- Subtract the above light travel time from Celestia's current time
\ Set time to real time