[1.7.x] Overhauled the Welsh formats.py file.

# The *_FORMAT strings use the Django date format syntax,

# see http://docs.djangoproject.com/en/dev/ref/templates/builtins/#date

DATE_FORMAT = 'd F Y'

TIME_FORMAT = 'g:i:s A'

# DATETIME_FORMAT =

# YEAR_MONTH_FORMAT =

# MONTH_DAY_FORMAT =

SHORT_DATE_FORMAT = 'j M Y'

# SHORT_DATETIME_FORMAT =

# FIRST_DAY_OF_WEEK =

DATE_FORMAT = 'j F Y'                   # '25 Hydref 2006'

TIME_FORMAT = 'P'                       # '2:30 y.b.'

DATETIME_FORMAT = 'j F Y, P'            # '25 Hydref 2006, 2:30 y.b.'

YEAR_MONTH_FORMAT = 'F Y'               # 'Hydref 2006'

MONTH_DAY_FORMAT = 'j F'                # '25 Hydref'

SHORT_DATE_FORMAT = 'd/m/Y'             # '25/10/2006'

SHORT_DATETIME_FORMAT = 'd/m/Y P'       # '25/10/2006 2:30 y.b.'

FIRST_DAY_OF_WEEK = 1                   # 'Dydd Llun'

# The *_INPUT_FORMATS strings use the Python strftime format syntax,

# see http://docs.python.org/library/datetime.html#strftime-strptime-behavior

# DATE_INPUT_FORMATS =

# TIME_INPUT_FORMATS =

# DATETIME_INPUT_FORMATS =

# DECIMAL_SEPARATOR =

# THOUSAND_SEPARATOR =

# NUMBER_GROUPING =

DATE_INPUT_FORMATS = (

    '%d/%m/%Y', '%d/%m/%y',             # '25/10/2006', '25/10/06'

)

DATETIME_INPUT_FORMATS = (

    '%Y-%m-%d %H:%M:%S',                # '2006-10-25 14:30:59'

    '%Y-%m-%d %H:%M:%S.%f',             # '2006-10-25 14:30:59.000200'

    '%Y-%m-%d %H:%M',                   # '2006-10-25 14:30'

    '%Y-%m-%d',                         # '2006-10-25'

    '%d/%m/%Y %H:%M:%S',                # '25/10/2006 14:30:59'

    '%d/%m/%Y %H:%M:%S.%f',             # '25/10/2006 14:30:59.000200'

    '%d/%m/%Y %H:%M',                   # '25/10/2006 14:30'

    '%d/%m/%Y',                         # '25/10/2006'

    '%d/%m/%y %H:%M:%S',                # '25/10/06 14:30:59'

    '%d/%m/%y %H:%M:%S.%f',             # '25/10/06 14:30:59.000200'

    '%d/%m/%y %H:%M',                   # '25/10/06 14:30'

    '%d/%m/%y',                         # '25/10/06'

)

DECIMAL_SEPARATOR = '.'

THOUSAND_SEPARATOR = ','

NUMBER_GROUPING = 3