As long as the set time has been set in the deal terms sent out in the booking confirmation, you will always see the start and finish time of the artist by clicking in the actual booking itself.
On your mobile, login to your Muzeek profile,
Click the 'booking' section.
Click the booking to see more booking details.
4. You will see the deal terms and set time if that has been added.
Another way is, once an artist has been confirmed, and an event has been announced you can choose whether or not to show the lineup of artists in the report. All visible artists on the lineup can be viewed easily by clicking in the little report icon in Events.
NOTE: if the artists have entered their contact detail in their own settings you will see this info also.