[tz] Java & Rearguard

Paul Eggert eggert at cs.ucla.edu
Wed Jun 5 19:53:10 UTC 2019


On 6/5/19 7:11 AM, Robert Elz wrote:
> What are you planning to do when some jurisdiction does summer/retarted ?
>
> And before anyone claims that's absurd, it isn't really.

That's right, and Morocco is doing something like that right now. 
Morocco retarded its clocks by an hour on May 5 for Ramadan, and will 
advance them back to standard time this Sunday.

Unfortunately OpenJDK gets this wrong because it is still stuck on 
tzdata2018g (2018-10-26), whereas the current Morocco situation was 
first published in tzdata 2018h (2018-12-23) and it appears that Oracle 
has not gotten around to propagating tzdata into OpenJDK since November. 
In the meantime, OpenJDK users in Morocco are out of luck - which leaves 
me to wonder how important these timezone issues are in Java (Java users 
don't seem to be marching en masse to Redwood City to get them fixed :-).




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