ios - Date formats from device based on locale -

as per knowledge date format vary based on locale, there way read date-format device's local settings current date?

1. whether date format "dd/mm/yyyy" or "mm/dd/yyyy".
2. time format "h:mm a" or else.
3. the am/pm text "am" or "pm".

i can't afford third party libraries, please tell me whether can done using apple classes.

edited:

i don't want set formats, want retrieve device based on locale.

say, here in country date format dd/mm/yyyy in part of word mm/dd/yyyy want format.

any answer appreciated.

i thought, simple fix. on seeing cool answers question, went curious it. here solution.

you can use nsdateformatter this, set style required formats

nsdateformattershortstyle    nsdateformattermediumstyle nsdateformatterlongstyle 

to know more please take @ documentation

below snippet you.

    nsdateformatter *dateformatter = [[[nsdateformatter alloc] init] autorelease];     [dateformatter setdatestyle:nsdateformattershortstyle];     nsstring *dateformat = [dateformatter dateformat]; //m/d/yy     nsstring *amtext = [dateformatter amsymbol];       //am     nsstring *pmtext = [dateformatter pmsymbol];       //pm      dateformatter = [[[nsdateformatter alloc] init] autorelease];     [dateformatter settimestyle:nsdateformattershortstyle];     nsstring *timeformat = [dateformatter dateformat];   //h:mm 

it use user's locale formats. hope solves problem.