SimpleDateFormat returns 24-hour date how to get 12-hour date

Question

I want current time in millis and then to store it in 12 hour format but with this piece of code I am getting 24 hour format time   long timeInMillis   System currentTimeMillis    Calendar cal1   Calendar getInstance    cal1 setTimeInMillis timeInMillis   SimpleDateFormat dateFormat   new SimpleDateFormat  dd mm yyyy HH mm ss a    dateforrow   dateFormat format cal1 getTime       can anybody suggest modifications to get the desired results

User · Answer

Referring to SimpleDataFormat JavaDoc   Letter   Date or Time Component   Presentation   Examples ---------------------------------------------------------    H      Hour in day  0-23          Number         0    h      Hour in am pm  1-12        Number         12

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You can try it like this    Calendar c  Calendar getInstance       SimpleDateFormat sdf  new SimpleDateFormat  dd MM yyyy hh mm ss a      String str sdf format c getTime

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Change HH to hh as  long timeInMillis   System currentTimeMillis    Calendar cal1   Calendar getInstance    cal1 setTimeInMillis timeInMillis   SimpleDateFormat dateFormat   new SimpleDateFormat                                   dd MM yyyy hh mm ss a    dateforrow   dateFormat format cal1 getTime       Note that dd mm yyyy - will give you minutes instead of the month

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I re-encounter this in the hard way as well  H vs h  for 24-hour vs 12 hour

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Hi I tested below code that worked fine         long timeInMillis   System currentTimeMillis        Calendar cal1   Calendar getInstance        cal1 setTimeInMillis timeInMillis       SimpleDateFormat dateFormat   new SimpleDateFormat  dd mm yyyy hh mm ss a        dateFormat format cal1 getTime

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See code example below   SimpleDateFormat df   new SimpleDateFormat  hh mm    String formattedDate   df format new Date     out println formattedDate

User · Answer

Yep  confirmed that simply using hh instead of HH fixed my issue   Changed from this    SimpleDateFormat sdf   new SimpleDateFormat  HH mm aa      To this    SimpleDateFormat sdf   new SimpleDateFormat  hh mm aa      You can still use HH to store the time if you don t want to bother storing and dealing with the AM PM  Then when you retrieve it  use hh

User · Answer

SimpleDateFormat dateFormat   new SimpleDateFormat  dd mm yyyy hh mm ss a      use hh in place of HH

User · Answer

Simply follow the code  public static String getFormatedDate String strDate StringsourceFormate                                       String destinyFormate        SimpleDateFormat df      df   new SimpleDateFormat sourceFormate       Date date   null      try           date   df parse strDate          catch  ParseException e            e printStackTrace               df   new SimpleDateFormat destinyFormate       return df format date        and pass the value into the function like that   getFormatedDate  21 30 00    HH mm    hh mm aa      or checkout this documentation SimpleDateFormat for StringsourceFormate and destinyFormate

[java] SimpleDateFormat returns 24-hour date: how to get 12-hour date?

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