Android Tutorial => Convert Date Format into Milliseconds

Example

To Convert you date in dd/MM/yyyy format into milliseconds you call this function with data as String

public long getMilliFromDate(String dateFormat) {
    Date date = new Date();
    SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
    try {
        date = formatter.parse(dateFormat);
    } catch (ParseException e) {
        e.printStackTrace();
    }
    System.out.println("Today is " + date);
    return date.getTime();
}

This method converts milliseconds to Time-stamp Format date :

public String getTimeStamp(long timeinMillies) {
    String date = null;
    SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); // modify format
    date = formatter.format(new Date(timeinMillies));
    System.out.println("Today is " + date);

    return date;
}

This Method will convert given specific day,month and year into milliseconds. It will be very help when using Timpicker or Datepicker

public static long getTimeInMillis(int day, int month, int year) {
    Calendar calendar = Calendar.getInstance();
    calendar.set(year, month, day);
    return calendar.getTimeInMillis();
}

It will return milliseconds from date

public static String getNormalDate(long timeInMillies) {
    String date = null;
    SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy");
    date = formatter.format(timeInMillies);
    System.out.println("Today is " + date);
    return date;
}

It will return current date

public static String getCurrentDate() {
    Calendar c = Calendar.getInstance();
    System.out.println("Current time => " + c.getTime());
    SimpleDateFormat df = new SimpleDateFormat("dd/MM/yyyy");
    String formattedDate = df.format(c.getTime());
    return formattedDate;
}

Note : Java Provides numbers of date format support Date Pattern

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Android Time Utils Convert Date Format into Milliseconds

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