It would be great if the user's time zone would be the one taken into account to calculate the date from which DaysInBundle is calculated.
Another way would be to have access to the date (and time and time zone) of purchase of the bundle via API and SmartTags.
Thank you for this suggestion! This feature request or some aspect of the functionality suggested is currently being reviewed for possible inclusion in a future update. If there is additional information, this post will be updated to reflect it.