Articles on: Cal ID

Custom or Fixed Time-Slot Intervals

In Cal ID, the Time-slot intervals setting determines how your available times are displayed to your guests. It controls the "frequency" of the slots shown on your booking page, allowing you to create a specific rhythm for your calendar.


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.



  1. Save: Click the Save button in the top right corner.


How it looks for the Booker


  • If you set a 30-minute interval, the guest will see choices like 10:00 AM, 10:30 AM, 11:00 AM, and so on.
  • If you set a 60-minute interval, the guest will only see slots at the top of the hour, such as 10:00 AM, 11:00 AM, 12:00 PM.
  • The system will only show intervals that fit within your Availability Schedule and don't conflict with other bookings.


Pro Tip


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.



Updated on: 28/01/2026

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