Convert Chrome (webkit) timestamp to Unix timestamp

ChromeTimestamp.java

// Marius Watz - http://workshop.evolutionzone.com
//
// Convert webkit timestamps to the UNIX timestamps used in Java.
// Written to deal with timestamps from the Chrome browser history
// database (stored as SQLite)

import java.util.*;
import java.text.SimpleDateFormat;

SimpleDateFormat df=new SimpleDateFormat("YYYY MMM dd HH:mm"); 

// webkit timestamps use Jan 1, 1601 as epoch start, UNIX timestamps
// start at Jan 1, 1970. this constant represents the difference 
// in milliseconds.
long CHROMEEPOCHSTART=11644473600000l;

long chromeTime(long t) {
  // wekbit timestamps are in microseconds, hence t/1000
  return (t/1000-CHROMEEPOCHSTART);
}

String chromeTimeStr(long t) {
  Date d=new Date(chromeTime(t));
  return df.format(d);
}