time is different on log on screen after restart

Hey there Thenesh,

Thanks for reaching out to Apple Support Communities. We understand that you're having some issues with the time on your Mac. We're happy to provide some assistance.

Let's follow the steps outlined in this helpful resource that relates to the issue you're having:

If the date or time is wrong on your Mac

We hope this helps.

Have a great day!

Thank you for the reply Thenesh!

Let's make sure your Mac is up-to-date:

How to update the software on your Mac

If the issue persists, please contact us here to further investigate: Get Support

Cheers!

Hi Thenesh,

The issue seems to be caused by having FileVault on...

If you turn off FileVault then the login screen has the right time and your custom wallpaper.

I had the same issue and turning off FileVault fixed it for me.