Countdown
A countdown was a sequence of counting by number or interval of time to indicate the start or end of something.

As the  attempted to perform a light-speed breakaway factor in 1969, Spock gave a countdown from ten to one to indicate when the ship had approached the breakaway point. ()

In 2254, Spock gave a countdown from ten to one for the firing of the laser cannon against the entry to the underground Talosian community. ()

In 2266, Hikaru Sulu gave an intermittent countdown from ten to zero minutes for the promised destruction of the Enterprise by Balok of the First Federation. ()

As the  attempted to perform saucer separation in 2364, Data gave a countdown from six to one to indicate when to separate the ship. ()

In 2368, Data gave a countdown from three to one for the lifting of a , so as to free . ()

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Time