Looking at the response headers, could they be inferring the timezone based on what cloud front server the user hits? Edit: This is probably way over thinking

Looking at the response headers, could they be inferring the timezone based on what cloud front server the user hits? Edit: This is probably way over thinking it, but here are the Amazon data center IP's. Search "CLOUDFRONT" https://ip-ranges.amazonaws.com/ip-ranges.json https://ip-ranges.amazonaws.com/ip-ranges.json to see the list of regions.