For HH:MM am/pm:
SELECT
LTRIM(Right(REPLACE(CONVERT(nvarchar(MAX),
CAST(GetDate() as smalldatetime), 109),':00:000', ' '), 8))
as[current_time] For HH:MM:SS am/pm:
select CONVERT(VARCHAR(8), getdate(), 108)
+ ' ' + RIGHT(CONVERT(VARCHAR(30), getdate(), 9), 2)