types = [
    ((-6, -2, -4), 0, 'LMT'),
    (-5, 1, 'CDT'),
    (-6, 0, 'CST')
]
times = [
    ((1, 1, 2, 0, 0), 0),
    ((1918, 10, 5, 6, 2, 4), 2),
    ((1973, 11, 25, 6, 0), 1),
    ((1974, 2, 24, 5, 0), 2),
    ((1983, 5, 21, 6, 0), 1),
    ((1983, 9, 22, 5, 0), 2),
    ((1991, 3, 23, 6, 0), 1),
    ((1991, 9, 7, 5, 0), 2),
    ((2006, 4, 30, 6, 0), 1),
    ((2006, 10, 1, 5, 0), 2)
]
posix = 'CST6'
