Due to a technical Zoom limitation, the Zoom Meeting must be deleted and recreated if you need to move a Daylite appointment.
To do this, choose Edit Zoom Meeting -> Delete Zoom Meeting
If you have inadvertently moved a Daylite appointment and the already created Zoom Meeting doesn't match its time and/or date anymore, choose Edit Zoom Meeting -> Reset appointment to Zoom Meeting start time:
Related articles:
Configuration of Zoom Integration
Create Zoom Meeting
Delete Zoom Meeting