If your event is not showing in the calendar view, check the following:
On Campaign:
- Dates (Start date is on, or after today)
- Active
- Published on Web
- Has a Payment Form assigned
On Payment Form:
- Payment Type is either Program or Event

2. Check the setting shown below

- Active - ticked
- Current Start & End Dates
- Published on Web - ticked
- Has a Payment Form assigned
3. Payment Form Type

The Payment Form associated with the Campaign has a Payment Type of "Event" or "Program"