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In Cal ID, the Time-slot intervals setting controls how often available start times appear on your booking page, letting you create a specific rhythm for your calendar, independent of your meeting duration.

Customizing time-slot intervals

This feature allows you to decide if guests see slots every 15 minutes, every 30 minutes, or at larger gaps. This is independent of your meeting duration. For example, you can have a 30-minute meeting but only allow it to start at the top of every hour.

Why use time-slot intervals?

  • Clean calendar look: Avoid a cluttered booking page by offering fewer, well-spaced start times.
  • Standardized start times: Force meetings to start at consistent times (like 9:00, 9:30, 10:00) rather than random times like 9:15 or 10:45.
  • Better scheduling control: By setting larger intervals, you can ensure your day follows a specific block-based structure.

How to set it up

1

Go to Event Types

Click on Event Types in the left sidebar.
2

Select an event

Click on the specific event you want to edit.
3

Navigate to Limits

Click on the Limits tab at the top of the event editor.
4

Find Time-slot intervals

Locate the dropdown menu on the right side of the screen labeled Time-slot intervals.
5

Choose your interval

  • Select from the list of options (e.g., 15, 30, or 60 minutes).
  • If you leave this blank, the system will typically use the event’s duration as the interval.
Choosing a time-slot interval from the dropdown in the Limits tab
6

Save

Click the Save button in the top right corner.

How it looks for the booker

The interval you choose sets the spacing between the start times a guest can pick: The system will only show intervals that fit within your Availability Schedule and don’t conflict with other bookings.
If you want to ensure you always start meetings on the hour, set your interval to 60 minutes. This is very helpful for “batching” your work and keeping your calendar predictable.