Several things could cause this.

Open your computers Time Manager. Make sure it is showing the correct time and timezone settings.

Are you using the atomic clock to keep the computers accurate?

Separate Security Issue: Update your Flash Player or remove it using these links; Uninstall Flash Player | Windows {web link} Uninstall Flash Player | Mac {web link}

Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version: Version 32.0.0.114

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

What output gives this command?

(new Date()).toLocaleString("en-US",{weekday:"long",day:"numeric",month:"long",year:"numeric",hour:"numeric",minute:"numeric",second:"numeric",hour12:false,timeZoneName:"long"});

cor-el said

What output gives this command?

(new Date()).toLocaleString("en-US",{weekday:"long",day:"numeric",month:"long",year:"numeric",hour:"numeric",minute:"numeric",second:"numeric",hour12:false,timeZoneName:"long"});

/* Thursday, January 24, 2019, 17:56:35 Eastern European Standard Time

• /

FredMcD said

Several things could cause this. Open your computers Time Manager. Make sure it is showing the correct time and timezone settings. Are you using the atomic clock to keep the computers accurate?

My computer time settings is correct, time have a sync with time.windows.com server.

Reinstalling Flash player didn't solve this problem.

Thanks for help!

What does this link say for you time zone?

https://everytimezone.com/

WestEnd said

What does this link say for you time zone? https://everytimezone.com/

7:54pm when my pc time is 8:54pm

lostris said

WestEnd said

What does this link say for you time zone? https://everytimezone.com/

7:54pm when my pc time is 8:54pm

Then you got something fishy going on with your O/S and if you using VPN or Proxy this can also account for the different time zone.

lostris said

Firefox sends to websites wrong time settings from my pc...

Check your setup with the Windows-7 "Change Date and Time Settings".

Pj said

lostris said

Firefox sends to websites wrong time settings from my pc...

Check your setup with the Windows-7 "Change Date and Time Settings".

My timezone(UTC+3) do not have this option.

WestEnd said

lostris said

WestEnd said

What does this link say for you time zone? https://everytimezone.com/

7:54pm when my pc time is 8:54pm

Then you got something fishy going on with your O/S and if you using VPN or Proxy this can also account for the different time zone.

It's licensed Win 7 ultimate, i don't use any vpn with my mozilla browser.

in case you've set privacy.resistFingerprinting to true in about:config, firefox will report utc time to websites...

philipp said

In case you've set privacy.resistFingerprinting to true in about:config, Firefox will report UTC time to websites...

How does that get changed other than in About:Config?

~Pj