Gemini Insists on Wrong Time Zone Math Even After Being Corrected by User
i_marketing · reddit · 2026-10-19
A user documents a Gemini time zone conversion failure: British Columbia drops daylight saving time after November 1, 2026, so 4 PM on November 5 in Vancouver should be 7 AM on November 6 in Singapore — but Gemini, computing with PST, returns 8 AM.
- Even after the user explicitly corrects the DST error in a follow-up prompt, Gemini sticks with its first answer and doesn't search for updated information.
- The poster asks whether models are forever bound by training data and unable to learn from interaction mistakes, or whether other users asking the same question will get the same wrong answer.
- Screenshots capture the full two-turn exchange, a textbook case of 'corrected but not updated' model behavior.
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