On 2025-03-11 10:14, Chris Brown via tz wrote:
the Eire (GMT+1) and Europe/Dublin (GMT+1) time zones need to be GMT+0,
however, they are GMT+1.
Are there any standard troubleshooting tips I can pass along to our developers?
They can try running this shell command:
$ TZ=Europe/Dublin date
Tue Mar 11 17:41:17 GMT 2025
The second line is the output I get on my system (Ubuntu 24.10), and
it's GMT which is correct.
If they want something fancier they can run this to show this year's
transitions:
$ zdump -V -c 2025,2026 Europe/Dublin
Europe/Dublin Sun Mar 30 00:59:59 2025 UT = Sun Mar 30 00:59:59 2025
GMT isdst=0 gmtoff=0
Europe/Dublin Sun Mar 30 01:00:00 2025 UT = Sun Mar 30 02:00:00 2025
IST isdst=1 gmtoff=3600
Europe/Dublin Sun Oct 26 00:59:59 2025 UT = Sun Oct 26 01:59:59 2025
IST isdst=1 gmtoff=3600
Europe/Dublin Sun Oct 26 01:00:00 2025 UT = Sun Oct 26 01:00:00 2025
GMT isdst=0 gmtoff=0
If these shell commands work but the software in question doesn't, the
problem lies somewhere outside the TZDB installation and the C library.
