types = [
    ((-7, -28, -18), 0, 'LMT'),
    (-6, 1, 'MDT'),
    (-7, 0, 'MST'),
    (-6, 1, 'MWT')
]
times = [
    ((1, 1, 2, 0, 0), 0),
    ((1883, 11, 18, 19, 0), 2),
    ((1918, 3, 31, 9, 0), 1),
    ((1918, 10, 27, 8, 0), 2),
    ((1919, 3, 30, 9, 0), 1),
    ((1919, 10, 26, 8, 0), 2),
    ((1942, 2, 9, 9, 0), 3),
    ((1944, 1, 1, 6, 1), 2),
    ((1944, 4, 1, 7, 1), 3),
    ((1944, 10, 1, 6, 1), 2),
    ((1967, 4, 30, 9, 0), 1),
    ((1967, 10, 29, 8, 0), 2)
]
posix = 'MST7'
