Hi ​@NIO02470 - Thanks for reaching out!

Right now, there is not a way to choose a duration from the event page, however, there are two ways we can workaround this:

• You can create an event for each time-frame (2, 3, 4, hours) , then share your public facing events page to allow your invitees to choose their timeframe first, then book the event:

  

• The other option involves using Routing Forms and creating a questionnaire that asks users how long they’d like to book the room for, then route them to an event automatically based on their answers. You can read more on this here: How to create a Routing Form

Let me know if you have any questions!