Inserts hour (e.g., 3) into the currently active window.

Syntax:

<ct:h12>(Shift)

Shift
The time shift in minutes relative to the current time.  0 for no shift, -1 for time one minute back, +1 for time one minute later, etc.

Example:

Current time hour: <ct:h12>(0)
One minute later it will be hour: <ct:h12>(1)