What timezone does Bitly use and can I change it? Bitly Accounts October 25, 2016 18:19 Follow Bitly uses UTC (Coordinated Universal Time) within the platform and it can not be changed. Related articles What does dark traffic mean? How do I deactivate my account? How do I delete a bitlink? Can I build an application that uses Bitly? What is the Bitly info plus page?