Retail Decisions, which processes online card payments says pre-Christmas spending hit a spectacular high at 1.09pm on Monday 10th December as shoppers spent £767,500 over the internet in 60 seconds.
This figure has broken the record for the most money spent online by UK shoppers in 1 minute.
In total, shoppers were predicted to spend £370 million online during the day, a rise of 106% over the second Monday of December last year.
Carl Clump of Retail Decisions, said: "Christmas internet shopping peaks on Mondays as people buy online during their lunchbreak to save on more trips to the high street".
"Our data supports the ongoing trend that internet retailers are enjoying another bumper Christmas."