# http://unicode.org/reports/tr35/tr35-dates.html#Date_Format_Patterns

BUILTIN_FORMATS = {
    0: 'General',
    1: '0',
    2: '0.00',
    3: '#,##0',
    4: '#,##0.00',
    5: '$#,##0_);($#,##0)',
    6: '$#,##0_);[Red]($#,##0)',
    7: '$#,##0.00_);($#,##0.00)',
    8: '$#,##0.00_);[Red]($#,##0.00)',
    9: '0%',
    10: '0.00%',
    11: '0.00E+00',
    12: '# ?/?',
    13: '# ??/??',

    14: 'mm-dd-yy',
    15: 'd-mmm-yy',
    16: 'd-mmm',
    17: 'mmm-yy',

    18: 'h:mm AM/PM',
    19: 'h:mm:ss AM/PM',
    20: 'h:mm',
    21: 'h:mm:ss',
    22: 'm/d/yy h:mm',

    37: '#,##0_);(#,##0)',
    38: '#,##0_);[Red](#,##0)',
    39: '#,##0.00_);(#,##0.00)',
    40: '#,##0.00_);[Red](#,##0.00)',

    44: '_("$"* #,##0.00_);_("$"* (#,##0.00);_("$"* "-"??_);_(@_)',
    45: 'mm:ss',
    46: '[h]:mm:ss',
    47: 'mm:ss.0',
    48: '##0.0E+0',
    49: '@',

    27: '[$-404]e/m/d',
    30: 'm/d/yy',
    36: '[$-404]e/m/d',

    50: '[$-404]e/m/d',
    57: '[$-404]e/m/d',

    59: 't0',
    60: 't0.00',
    61: 't#,##0',
    62: 't#,##0.00',
    67: 't0%',
    68: 't0.00%',
    69: 't# ?/?',
    70: 't# ??/??',
}