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Why is my browser time different from my local device time?

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  • 1 has this problem
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  • Last reply by jscher2000

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My browser time, meaning the time that appears in Gmail, Whatsapp, Messenger etc. is different from my local, device time, which is the correct time where I live. At first it was off by several hours but then I tried setting new Date().toString(); to false in about:config, which I've seen on several threads as a solution. After doing that the browser time is only ahead by one hour compared to my local actual time but it's still off. Everything on my local settings is correct.

When I check the time on the web console it returns the wrong time, the time is ahead by one hour. The timezone is wrong too, it returns Atlantic Daylight Time when it should be AST or ET. My guess is this has something to do with daylight savings time(maybe?) We don't do that where we live so this would be all useless for me.

Did not worked: Restarting with add ons disabled. Force setting the timezone with 2 different addons.

I will appreciate any help or suggestions.

All Replies (3)

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If you set a certain preference to true in about:config, then Firefox will tell websites you are in UTC time instead of your true time zone. That preference is privacy.resistFingerprinting -- does that sound familiar?

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jscher2000 said

If you set a certain preference to true in about:config, then Firefox will tell websites you are in UTC time instead of your true time zone. That preference is privacy.resistFingerprinting -- does that sound familiar?

Yes, that's what I set to false since that's the only solution I've found. To be clear: in my original post when I wrote "...I tried setting new Date().toString(); to false in about:config" I actually meant "...I tried setting new privacy.resistFingerprinting to false in about:config". Apologies.

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Aha, that makes more sense. I realize the new question editor leaves a lot to be desired. :-)

So if there is a one-hour discrepancy because Firefox is using the wrong time zone, and you are in an area that doesn't observe DST, maybe you can change this in your Windows settings.

If you right-click the time/date part of the Taskbar and click Adjust date/time, there is an option to let Windows set your time zone automatically. If that is not working well, switch that off and you can select a more appropriate time zone. Or is the problem that Firefox doesn't understand the time zone set in Windows?

(If you do make a change, I don't think Firefox will pick up the change until the next session, i.e., after you exit and restart it.)