Hi, LeonidS , thank you! I understand how to change this time format. 

I mean, how to add the Event time (not created time) on the event profile unit.

the first picture is the timeline event card, it shows the Event time. 

the second picture is the current Event profile unit card.  there no Event time. 

I want to show the event time on the profile unit card.

this is Timeline module Event card:

this is the Event module Event profile unit card: