Claim: Snapchat knows what time you were born even if you don't put those details in the app.
Fact-check: Snapchat doesn't secretly learn the time you were born - Full Fact
Verdict: birthday, time of birth and place of birth are all entered manually by the user to access certain in-app features.
Organisation: Full Fact
Author: Tom Norton
Date published: 2021-08-13T00:00:00