interpretation of Rule

David Patte dpatte at relativedata.com
Fri Feb 4 20:17:18 UTC 2011


Starting in 1918 they used Ghana GMT (0:00 offset)

Then from 1936 - 42 they used Ghana GHST from September thru December.

They remain on Ghana GMT.

Interesting case though, that they moved their clocks forward only in 
the fall, and only 20 minutes.


On 2011-02-04 14:54, mxtaylor at ups.com wrote:
> Sorry I am also new to this and am trying to understand how the rule 
> below is applied:
> # Ghana
> # Rule    NAME      FROM      TO        TYPE      IN        ON        
> AT        SAVE      LETTER/S
> Rule      Ghana     1936      1942      -         Sep        1        
> 0:00      0:20      GHST
> Rule      Ghana     1936      1942      -         Dec       31        
> 0:00      0         GMT
> # Zone    NAME                GMTOFF    RULES     FORMAT    [UNTIL]
> Zone      Africa/Accra        -0:00:52 -          LMT       1918
>                                0:00     Ghana     %s
> I read it as "Ghana" rules were only in effect from 1936 to 1942.
> After 1918, Accra uses that rule, but therefore only from 1936 to 1942?
> So after 1942 what applies? No rules, but the letters still are in 
> effect, therefore "GMT"?
> [Likewise - not relevant to me, but what about Accra for 1919 - 1936 ?]
> Thanks,
> Matt Taylor

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