What is the best way to shorten a datetime that includes milliseconds to only

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Editorial Team

Asked: May 28, 20262026-05-28T13:07:30+00:00 2026-05-28T13:07:30+00:00

What is the best way to shorten a datetime that includes milliseconds to only have the second?

For example 2012-01-25 17:24:05.784 to 2012-01-25 17:24:05

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Editorial Team · Answer 1 · 2026-05-28T13:07:30+00:00

Editorial Team

This will truncate the milliseconds.

declare @X datetime
set @X = '2012-01-25 17:24:05.784'
select convert(datetime, convert(char(19), @X, 126))

or

select dateadd(millisecond, -datepart(millisecond, @X), @X)

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