(All versions) Whonix Updates forbidden due to needing to wait several hours for the update to be "available"?

[apparatus]

This seems to be a problem with timezone:

Understanding and fixing issues with time/clock

Architecture Timezone The system’s timezone is set in dom0. VMs can read the system’s timezone value from dom0 through the QubesDB qubes-timezone key. On Linux VMs with qubes-core-agent installed the time zone is set at boot time by the /usr/lib/qubes/init/qubes-early-vm-config.sh script. Clock synchronization “ClockVM” One of the VMs is defined globally as “clockVM”, from which other VMs and dom0 will synchronize their clock with. The following command in dom0 shows which VM has this role…