Date to Unix timestamp

Question

I have a string that looks like "2015-06-07 16:01:33.0". I want to convert it into a unix timestamp. First I use Calendar utility to convert it into a Date object. How can I convert the date to epoch time?

String origintime = "2015-06-07 16:01:33.0";
String year = origintime.split(" ")[0].split("-")[0];            
String month = origintime.split(" ")[0].split("-")[1];
String day = origintime.split(" ")[0].split("-")[2];

String hour = origintime.split(" ")[1].split(":")[0];
String mins = origintime.split(" ")[1].split(":")[1];
String secs = origintime.split(" ")[1].split(":")[2].replace(".0","");

Calendar cal = Calendar.getInstance();    
cal.set(Calendar.DAY_OF_MONTH, Integer.parseInt(day));
cal.set(Calendar.MONTH, Integer.parseInt(month));
cal.set(Calendar.YEAR, Integer.parseInt(year));
cal.set(Calendar.HOUR_OF_DAY,Integer.parseInt(hour));
cal.set(Calendar.MINUTE,Integer.parseInt(mins));
cal.set(Calendar.SECOND,Integer.parseInt(secs));
String strdate = null;
SimpleDateFormat sdf = new SimpleDateFormat("YYYY-MM-dd HH:mm:ss");

if (cal != null) {
    strdate = sdf.format(cal.getTime());
}
System.out.println(strdate);

possible duplicate of [Getting unix timestamp from Date()](http://stackoverflow.com/questions/7784421/getting-unix-timestamp-from-date) — Stefan, Jul 10 '15 at 17:39
Please search StackOverflow before posting. This topic has been addressed many many many times before. — Basil Bourque, Jul 10 '15 at 18:28

score 2 · Accepted Answer · edited May 23 '17 at 11:58

2

I think you can search for answers at StackOverflow, instead of posting a new question, since it make StackOverflow better, I just did a quick search and here they are: Getting unix timestamp from Date()

or here is the code that straight forward:

Date currentDate = new Date();
currentDate.getTime() / 1000;

Recently, people prefer jodaTime:

DateTime dateTime = new DateTime();
long unix = dateTime.getMillis()/1000;

edited May 23 '17 at 11:58

Community

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answered Jul 13 '15 at 01:42

super1ha1

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Posting an Answer to a duplicate Question only encourages more duplicate Questions and contradicts your own advice in your first sentence. Instead, use the StackOverflow feature where you request this Question be closed. – Basil Bourque Jul 13 '15 at 15:49
thank you Basil, I did not see the closed question features ! – super1ha1 Jul 14 '15 at 02:48

Date to Unix timestamp

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