First of all, we couldn't change it if we wanted, the source code for the native firmware is closed.
Secondly, the native firmware includes only unfinished drivers for the real-time clock unit, and resets it to some time in 1970 each time it is booted. So until/if Dingoo Digital decides to fix their RTC drivers, you won't see any clock on native.
(PS.: The November date you're seeing is the build date of the emulator, not the current time. Files created by the native firmware will be created without a timestamp, and when inserted to Vista/7, it will detect this and offer you to "scan and fix" the bad timestamps. Annoying, but it will happen each time you battery save or save state, or change any file in any way).