return { -- lhs = input text accepted as an am/pm option -- rhs = code used internally ['am'] = 'am', ['AM'] = 'AM', ['a.m.'] = 'a.m.', ['A.M.'] = 'A.M.', ['pm'] = 'am', -- same as am ['PM'] = 'AM', ['p.m.'] = 'a.m.', ['P.M.'] = 'A.M.', }