How To Generate Random Dates Between Two Date Range in SQL Server

Those who wants to generate random dates between two date ranges in SQL Server can use the following query:

DECLARE @FromDate DATETIME = DATEADD(DAY, -2, '2011-01-01')
DECLARE @ToDate   DATETIME = DATEADD(DAY, -1, '2017-01-01')


DECLARE @Seconds INT = DATEDIFF(SECOND, @FromDate, @ToDate)
DECLARE @Random INT = ROUND(((@Seconds-1) * RAND()), 0)
DECLARE @Milliseconds INT = ROUND((999 * RAND()), 0)

SELECT DATEADD(MILLISECOND, @Milliseconds, DATEADD(SECOND, @Random, @FromDate))


Hope it works for you!

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