• PSB (4/17/2014)


    SELECT DATEADD(hh,-5,dateadd(s, convert(bigint, 1397750400000) / 1000, convert(datetime, '1-1-1970 00:00:00')))

    worked for me!

    So the BIGINT value was actually milliseconds since midnight 1970-01-01, not minutes. Good to know.