Use Asia/Kolkata instead of legacy Asia/Calcutta

[elibosley]

Summary

• replace legacy India timezone ID Asia/Calcutta with canonical Asia/Kolkata in timezone lookup key
• updates the value used when selecting (UTC+05:30) Chennai, Kolkata, Mumbai, New Delhi

Testing

• verified both include paths resolve to the same updated key entry (Asia/Kolkata)

Summary by CodeRabbit

• Chores
  • Updated timezone identifiers to align with current international naming standards while preserving all UTC offset and location information.

fixes #2560

[coderabbitai]

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📥 Commits

Reviewing files that changed from the base of the PR and between 30af957 and 1af3c7c.

📒 Files selected for processing (1)

• emhttp/plugins/dynamix/include/timezones.key

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Walkthrough

The timezone configuration file was updated to rename the timezone identifier Asia/Calcutta to Asia/Kolkata while maintaining the UTC+05:30 offset and city list. An existing Pacific timezone entry was reformatted with no net content change.

Changes

Cohort / File(s)	Summary
Timezone Configuration emhttp/plugins/dynamix/include/timezones.key	Renamed Asia/Calcutta timezone identifier to Asia/Kolkata with identical UTC offset and city list. Pacific timezone entry reformatted without functional change.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰✨ From Calcutta's name of old, now Kolkata takes the stage,
A timezone identifier updated for the modern age,
Asia's pearl now properly styled, UTC stays the same,
Time flows true as ever, just a cleaner, proper name! ⏰

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: replacing the legacy Asia/Calcutta timezone identifier with the canonical Asia/Kolkata identifier in the timezones.key file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

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• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch codex/fix/FIX

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[github-actions]

🔧 PR Test Plugin Available

A test plugin has been generated for this PR that includes the modified files.

Version: 2026.02.26.1747
Build: View Workflow Run

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📝 Modified Files:

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emhttp/plugins/dynamix/include/timezones.key

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