[anishmehta24]

Issue number: closes #8706

Summary

Changes

compare_days_of_week named the current day with strftime("%A").upper(), which follows the process's LC_TIME locale, so under a German locale Friday became FREITAG and never matched FRIDAY. It now looks the day up from datetime.weekday() in a tuple built from the TimeValues day names.

Added test_time_based_days_range_rule_match_with_non_english_locale, which returns a datetime whose strftime gives German day names; it fails on develop. The feature flags tests pass.

User experience

Before: a SCHEDULE_BETWEEN_DAYS_OF_WEEK rule silently stops matching if the function sets a non-English LC_TIME. After: the rule matches on the configured days regardless of locale.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

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[leandrodamascena]

Thanks @anishmehta24, confirmed with a real de_DE locale here: on develop a DAYS=["SATURDAY"] rule stops matching as soon as strftime says Samstag, with your change it keeps matching, and the English locale behaves exactly as before.

I'm approving now. This goes out in 3.40.0, so it will sit here for a while before I merge it. No rebase needed in the meantime, and you'll be credited in the release notes.