If you want to update the date and time of your scheduled RingCentral webinar, you may do so via the RingCentral app.
Go to Webinar via the left navigation bar.
On the Upcoming tab under My Webinars, hover over the webinar you want to reschedule, then click the View or edit webinar details pencil icon at the far right.
Click the pencil icon at the top right corner of the Date and time card.
Change the date and/or time of the webinar.
Click Done. The banner Remember to update attendee calendar invites will appear at the top. The invite will automatically update for the host, cohosts, and panelists.
Go to the event on your Google Calendar or Microsoft Outlook to update and resend the invitations.