types = [
    ((6, 1, 40), 0, 'LMT'),
    ((5, 53, 20), 0, 'HMT'),
    ((6, 30), 0, 'BURT'),
    ((5, 30), 0, 'IST'),
    (6, 0, 'DACT'),
    (6, 0, 'BDT'),
    (7, 1, 'BDST')
]
times = [
    ((1, 1, 2, 0, 0), 0),
    ((1889, 12, 31, 17, 58, 20), 1),
    ((1941, 9, 30, 18, 6, 40), 2),
    ((1942, 5, 14, 17, 30), 3),
    ((1942, 8, 31, 18, 30), 2),
    ((1951, 9, 29, 17, 30), 4),
    ((1971, 3, 25, 18, 0), 5),
    ((2009, 6, 19, 17, 0), 6),
    ((2009, 12, 31, 17, 0), 5)
]
posix = 'BDT-6'
