Why does my computer time zone keep changing?

Software conflicts might be at fault. If you have multiple applications that manage or adjust the system time, this can lead to your time zone changing unexpectedly. Programs such as VPN software, remote desktop utilities, or even some security applications can cause such conflicts. Try disabling these applications one by one to identify the culprit.

Sometimes a corrupted system registry can cause this issue. If the registry has been altered by system tweaks or malware, it could lead to unpredictable time zone changes. Access the Registry Editor to check and correct any wrong entries, but ensure you back up your registry before making any changes.

Malware or adware infections could be affecting your system settings, including the time zone. Running a detailed malware scan using reputable security software might uncover the root cause. Ensure your antivirus program is updated and perform regular scans to keep your system secure.

Company policies might force time zone settings on devices. If your computer is managed by your organization, administrative settings may automatically adjust the time zone to comply with company standards. Contact your IT department to see if such policies are in place and if they can be adjusted.

External devices connected to your computer, like Bluetooth devices, might cause conflicts that lead to time zone changes. Disconnect non-essential peripherals and check if the problem persists. Reconnect each device one by one to identify the problematic hardware.

Your Windows Time service could be malfunctioning. This service is responsible for maintaining the correct time and time zone on your system. If it’s not functioning properly or has the wrong settings, your time zone could keep changing. Check the Windows Time service in the Services application, and ensure it is running and set to automatic start.

Using a dual-boot system can occasionally cause time zone issues. If you run multiple operating systems and they are not configured correctly, switching between them can disrupt the time zone settings. Make sure all your systems are set to the same time zone to prevent this.

Corruption within your user profile could also be to blame. If your profile settings are messed up, it can result in random changes to system preferences such as the time zone. Creating a new user account may help you determine if this is the issue. If the new profile works fine, consider transferring your data over and using the new account.

A potential reason might be the depletion of your computer’s CMOS battery. This small battery on the motherboard preserves system settings like the time zone, even when the machine is powered off. If the battery is weak, it may fail to maintain the correct settings, causing the time zone to reset frequently.

The automatic time zone setting feature may be causing the issue. This feature syncs your time with an Internet time server, which may occasionally set the incorrect time zone. To resolve this, go into your computer settings, disable automatic time setting, and manually configure your time zone.