This comfyUI node intializes at startup automatically and displays the clock in CMD console when Process starts and ends.
https://github.com/ShammiG/ComfyUI-Show-Clock-in-CMD-Console-SG
git clone https://github.com/ShammiG/ComfyUI-Show-Clock-in-CMD-Console-SG
comfy node install ComfyUI-Show-Clock-in-CMD-Console-SG