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Canada British Columbia Standard Time

Thunderbird Performance and connectivity
Lin replied am na 19 waxtu
Jacek Pawlowski
Jacek Pawlowski

Unknown Windows zone ID "British Columbia Standard Time" resolves to Etc/GMT+8 

instead of America/Vancouver; all message dates display 1 hour early
Unknown Windows zone ID "British Columbia Standard Time" resolves to Etc/GMT+8 instead of America/Vancouver; all message dates display 1 hour early

All Replies (2)

Jacek Pawlowski
Jacek Pawlowski Ki laajte

I found Bug 2082211, "Windows: new Canadian time zone IDs (Alberta, British Columbia, Manitoba) not mapped; host time zone falls back to Etc/GMT±N Status VERIFIED / FIXED, target 160 Branch. It's exactly your case, reported 2026-10-15 and fixed within days. Sorry for the post - please ignore

-- jacek

Lin
Lin
  • 10 jàppalekat yi jiitu

Thunderbird gets it's time information from the operating system - it's not a Thunderbird issue. Another user recently reported what sounds like the same or similar symptom. You can read how they resolved it here:

https://support.mozilla.org/en-US/questions/1611983

Laajal dara

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