(Answer) (Category) Linux on PowerPC FAQ-O-Matic : (Category) System Configuration :
How do I tell linux what time zone I'm in?
1. Make sure MacOS knows what time it is.
2. Make sure MacOS knows what time zone it is, and about daylight
    savings time. Check the Date & Time control panel, and the Map control panel.
3. Make sure the link in /etc/localtime points to the right file.
4. If you're using linux-ppc, make sure you've added 'clock -s' to your
    /etc/rc.d/rc.local script.
5. Type 'echo $TZ'. If it doesn't seem right, try 'unsetenv TZ'. (Something
    else in bash. Hmm.) If 'date' is right now, then you've got a
    script somewhere setting TZ to a bogus value.
 
jonh@cs.dartmouth.edu
 
Additional Info:
 
Right now, MkLinux has problems on some (all?) PCI Macs to correctly read
the timezone set in MacOS; i.e it will not read GMT out of the Mac RTC, but
will read localtime instead .
 I believe this is fixed in DR 2.1 Update 5. -- pg@sweng.stortek.com
The workaround is to set your timetone to GMT for the time being.
 
On the same subject of clocks, all PCI Macs with a bus speed other than 40 MHz
will have drifting clocks. This is a known bug and should be fixed on some
future version.
 
You can mail me if you need a workaround (= hacking the kernel...)
 
Added 970205 by mlan@selection-line.net
 
I put a workaround for the clock drift under MkLinux.  See category  /mklinux/?
 
toe@unlinfo.unl.edu
jonh@cs.dartmouth.edu, mlan@selection-line.net, toe@unlinfo.unl.edu, pg@sweng.stortek.com
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