If you wishes to display a connections history for a particular user, you should click on
Get Connections History.
It will present you with a following form, allowing you to enter
jid of a user which you want to retrieve connections history for.
To fields will allow you to specify period for which entries should be displayed.
Each of those fields consists of 3 input fields for setting date, time and selecting time zone.
When you submit a form and user is connected you will get result similar to the following one:
And if user is not connected then result will be similar to the following screenshot: