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yeah google’s docs make this way harder than it needs to be. this matters since one wrong format or hash kills match rates, i set this up for offline sales at a b2b saas and lost a day to the same timezone confusion. do this: hash email or phone with sha256 lowercase trimmed no spaces, set conversion time like 2025 01 15 14 30 00 plus 05 30, timezone goes inside that timestamp not a separate field, the parameters line is just a comment. benchmark wise 30 to 60 percent match rate is normal for clean crm data.
