Firebase Invalid or expired token how can ı solve this?

Question

I am using Firebase to verify User but when i send to token front-end to backend ı take a error. I research little and most people say is your machine time problem. And I Checked My country time is İstanbul(GMT+3) Lets say 14:42 but firebase clock is for auth 11:42 there is 3 hours delay but firebase token valid only 1 hour.When i try the my local machine time the same as firebase but also ı take same error ı couldn find any solution aynone help? My react is 100% is true not related the code issue.

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Answer 1

I suggest you to check if your backend and front-end are pointing to the same firebase app, because you're talking about a token expiration error that could not happen because this GMT time from firebase is equivalent to your GMT+3 time (see image here) .