I can't update, upgrade or autoremove

I can't update, upgrade or autoremove. Here is what I entered:

randy@randy-Inspiron-518:~$ sudo apt-get update
[sudo] password for randy:
Get:1 http://security.ubuntu.com/ubuntu bionic-security InRelease [88.7 kB]
Hit:2 http://us.archive.ubuntu.com/ubuntu bionic InRelease
Hit:3 http://archive.canonical.com/ubuntu bionic InRelease
Get:4 http://us.archive.ubuntu.com/ubuntu bionic-updates InRelease [88.7 kB]
Reading package lists... Done
E: Release file for http://us.archive.ubuntu.com/ubuntu/dists/bionic/InRelease is not valid yet (invalid for another 88d 7h 34min 40s). Updates for this repository will not be applied.
E: Release file for http://archive.canonical.com/ubuntu/dists/bionic/InRelease is not valid yet (invalid for another 437d 23h 36min 34s). Updates for this repository will not be applied.
E: Release file for http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease is not valid yet (invalid for another 452d 20h 40min 18s). Updates for this repository will not be applied.
E: Release file for http://us.archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease is not valid yet (invalid for another 452d 20h 40min 40s). Updates for this repository will not be applied.
randy@randy-Inspiron-518:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages have been kept back:
  linux-generic linux-headers-generic linux-image-generic
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
randy@randy-Inspiron-518:~$ sudo apt-get autoremove
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
randy@randy-Inspiron-518:~$

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