This simple user macro renders current timestamp on the page (please note that it uses server's time)
Online demo
Wed Jan 22 11:54:59 EET 2025
User macro code
## @noparams $content.currentDate
Full configuration
Also you can extend this to print out date and time using formatting options you have configured in your Confluence and in user's timezone
$action.dateFormatter.formatDateTime($content.currentDate)
Jan 22, 2025 11:54