Date will be capture as per user location/internet date time and if you like to change the date timezone than you can do that from Account settings.

Check out the following Qtip found on this support page, "The time zone used for all dates and times recorded in your Qualtrics account correlates to the time zone set in your Account Settings". If you have any follow up questions or are unsure about some of your timestamps, you'll want to reach out to our wonderful Support team, as they are best equipped to help!