% The below returns the unix epoch in UTC/GMT because of adding tm_struct.gmtoff
tm_struct = strptime ('01-Jan-2001 00:00:00.0', "%d-%b-%Y %X.0 %Z"), mktime (tm_struct) + tm_struct.gmtoff
tm_struct =

  scalar structure containing the fields:

    usec = 0
    sec = 0
    min = 0
    hour = 0
    mday =  1
    mon = 0
    year =  101
    wday =  1
    yday = 0
    isdst = 0
    gmtoff = -18000
    zone = EST

ans =  978307200