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[code=Java]       

Calendar today = Calendar.getInstance();

long todaymillis = today.getTimeInMillis();

        Calendar yesterday = Calendar.getInstance();

        yesterday.set(2015, 8, 3);

        long yesterdaymillis = yesterday.getTimeInMillis();

        long result = todaymillis - yesterdaymillis;

        result = result / 1000 / 60;

        System.out.println(result);[/code]