[KongchangAI]
Unverified50% confidenceFactExact time

The general formula for calculating the day of the week is ((day_count % 7) + 7 + 4) % 7, which holds for both positive and negative numbers.

1
Sources
50%
Confidence
Long-term
Relevance
9/19/2026
First Seen

Sources

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https://kongchang.com/claim/934018
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curl https://kongchang.com/api/v1/knowledge/claims/934018
MCP
get_claim(id=934018)