[tz] Hour 26? (was: Chaning time zone for Unix based tasks)

Paul Gilmartin PaulGBoulder at AIM.com
Tue Dec 31 21:05:03 UTC 2019

(cross-posting to tz and IBM-MAIN)
Hi, TZData,

On a Linux system, I see:
1043 $ uname -a
Linux Bunsen5-PG 4.9.0-11-686-pae #1 SMP Debian 4.9.189-3+deb9u2 (2019-11-11) i686 GNU/Linux
1044 $ cat /usr/share/zoneinfo/Asia/Tel_Aviv   | tail -1
1045 $ 

... This would seem to be Month 3, Week 4, Day 4, hour 26.
26?  Is that supposed to be 02:00 the next day?

But POSIX says:
... The hour shall be between zero and 24, and the minutes (and seconds)
-if present-between zero and 59. The result of using values outside 
of this range is unspecified.

z/OS (which supports only POSIX format) seems to ignore that TZ
(as allowed by "unspecified") and use UTC0:
(It doesn't specify.)

-- gil

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