[tz] Unexpected last transition in Africa/Casablanca
eggert at cs.ucla.edu
Tue Mar 22 15:15:30 UTC 2022
On 3/22/22 05:40, Almaz Mingaleev wrote:
> Here are the last transitions in Africa/Casablanca output (rearguard
> transition,type,[UTC time],[Type offset],[Type isDST]
> So change is from standard to standard, even though offset changes from 0h
> to 1h. Is that expected behaviour?
Yes, as tzdb frowns on permanent daylight saving time for reasons
This issue occurs due to the rearguard format's contortion of post-2018
Morocco data to pretend that standard time is daylight saving and vice
versa. Even with that contortion, we don't want the normal post-2087
prediction (standard time only) to be contorted into a rearguard
post-2087 prediction of daylight saving only.
More information about the tz