types = [
    ((5, 58, 36), 0, 'LMT'),
    ((5, 30), 0, 'IST'),
    (6, 0, 'BTT')
]
times = [
    ((1, 1, 2, 0, 0), 0),
    ((1947, 8, 14, 18, 1, 24), 1),
    ((1987, 9, 30, 18, 30), 2)
]
posix = 'BTT-6'
