Show time during tmux session

I just realized that when working full screen on tmux session. You can quickly check the current time by doing

<tmux_command_key> t

The standard tmuxcommandkey is CTRL+b and I have mapped it to CTRL+a. So, it is

CTRL+a + t

for me. Furthermore, I have CTRL key mapped to Caps lock on my QUERTY keyboard as it easier on my pinky finger as Caps lock key is really huge and it is very convenient and less pressure to press with the side of my finger, while the other fingers can easily reach out to the next key to be pressed.