Here’s a something you need to know: In GA4 BigQuery exports, event_timestamp is in microseconds, but many tools expect milliseconds. Always divide by 1000 or use TIMESTAMP_MICROS(event_timestamp) to avoid time discrepancies in your analysis.
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That’s a good point! Batch uploads can mess with eventtimestamp, but it’s usually fine for most analyses. Adding a custom timestamp is a smart move if you need exact times, especially for debugging or precise workflows
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