Java Utililty Methods Time to String

String time2String(Date time)
time String

return timeFormat.format(time);

String time2string(double t)
Converts double value of a time stamp to a string suitable for display.

NumberFormat form = NumberFormat.getInstance();
form.setMinimumIntegerDigits(2);
form.setMinimumFractionDigits(0);
form.setMaximumIntegerDigits(2);
form.setMaximumFractionDigits(2);
double stime = t;
int hours = (int) Math.floor(stime);
stime = (stime - hours) * 60;
...

String time2String(long time)
time String

SimpleDateFormat df = new SimpleDateFormat("yy-MM-dd HH:mm");
Calendar toyear = Calendar.getInstance();
Calendar today = Calendar.getInstance();
toyear.set(Calendar.MONTH, Calendar.JANUARY);
toyear.set(Calendar.DATE, 1);
toyear.set(Calendar.HOUR_OF_DAY, 0);
toyear.set(Calendar.MINUTE, 0);
toyear.set(Calendar.SECOND, 0);
...

boolean timesAreEqual(Date date1, Date date2)
times Are Equal

if (date1 == null) {
 return date2 == null;
if (date2 == null) {
 return date1 == null;
return timeOnlyFormat.format(date1).equals(timeOnlyFormat.format(date2));

String timeStr(Date _Date)
time Str

if (_Date == null)
 return "";
SimpleDateFormat _SimpleDateFormat = new SimpleDateFormat("yyyy:MM:dd HH:mm:ss", Locale.SIMPLIFIED_CHINESE);
return _SimpleDateFormat.format(_Date);

String timeString()
time String

return timestampToString(System.currentTimeMillis());

String timeString(double time)
time String

if (Double.isNaN(time)) {
 return "NA";
SimpleDateFormat formatter = new SimpleDateFormat("HH:mm:ss");
formatter.setTimeZone(TimeZone.getTimeZone("GMT"));
long longTime = Math.round(time);
Date date = new Date(longTime);
return formatter.format(date);
...

String timeString(long tickNo, long offset)
time String

return timeFormat.format(time(tickNo, offset));

Date timeString2Date(String time)
time String Date

if (time == null) {
 return null;
return new SimpleDateFormat(timeFormat).parse(time);

String timeToDeparture(String startTime)
Calculates minutes from now to a specific time in the future

int diffMinutes = -1;
Calendar now = Calendar.getInstance();
now.setTime(new Date());
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
Date date = null;
try {
 date = dateFormat.parse(startTime);
} catch (ParseException e) {
...