How to extract just the hour from Timestamp in BigQuery?
To extract just the hour of a timestamp using standard SQL?
You can use
EXTRACT(HOUR FROM your-timestamp-column)
SELECT EXTRACT(HOUR FROM CURRENT_TIMESTAMP())
SELECT EXTRACT(HOUR FROM TIMESTAMP '2018-07-09T02:40:23.652Z')
SELECT EXTRACT(HOUR FROM TIMESTAMP('2018-07-09T02:40:23.652Z'))
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