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Anthropic's Claude Code makes unfounded timezone guess based on user's name

A user reported that Claude Code, an AI model from Anthropic, incorrectly inferred their timezone based on their name. The AI model, identified as Opus 5, initially assumed the user's timezone was Indian Standard Time (IST) due to the user's name, Manish, which is common in India. Claude Code later corrected itself, stating the assumption was unfounded and that the correct timezone was America/Los_Angeles. AI

IMPACT Highlights potential biases and unfounded assumptions in AI models, underscoring the need for careful development and testing.

RANK_REASON User-reported anecdote about AI behavior, not a formal release or benchmark.

Read on r/ClaudeAI →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Anthropic's Claude Code makes unfounded timezone guess based on user's name

COVERAGE [1]

  1. r/ClaudeAI TIER_2 English(EN) · /u/manishrjain ·

    Claude Code guesses my timezone based on my name?!

    <!-- SC_OFF --><div class="md"><p>Interaction with Claude Code (Opus 5) today:</p> <p>Me: what does this mean? &quot; cron: &quot;27 19 * * *&quot; (UTC, ≈00:57 IST):&quot; Why IST?? is that indian standard time?</p> <p>Claude: The machine is America/Los_Angeles, so my IST guess …