sql server - Converting a nonstandard US datetime string to datetime in SQL -


i have dataset dates in format follows:

10/18/2007   8:00 a.m.  10/20/2007  10:00 a.m.

etc..

i'm having lot of trouble finding consistent query convert set of varchars in format datetime insertion datetime column. have tried many of convert styles (found here https://docs.microsoft.com/en-us/sql/t-sql/functions/cast-and-convert-transact-sql) none works.

in sql server 2012 , up: each of these return null when conversion fails instead of error.

declare @str varchar(32) = '10/20/2007  10:00 a.m.' select try_parse(replace(@str,'.m.','m') datetime using 'en-us')

returns: 2007-10-20 10:00:00

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