unplug your xbox from xbox live, etc. then go to your my xbox section/system settings/console settings/clock and set it up to your time, then exit, turn off your xbox, plug your ethernet cable,etc back in and sign in. did that work?
Did this solve your problem?
Sorry this didn't help.
Great! Thanks for marking this as the answer.
How satisfied are you with this reply?
Thanks for your feedback, it helps us improve the site.