By using this code :
SimpleDateFormat format = new SimpleDateFormat(\"yyyy-MM-dd HH:mm:ss\");
Date date = format.parse(dtStart);
return date;
Also in Kotlin :
val string = "2020-01-13T00:00:00"
val format = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss", Locale.US)
val date = format.parse(string)
val day = DateFormat.format("dd", date) as String
val monthNumber = DateFormat.format("MM", date) as String
val year = DateFormat.format("yyyy", date) as String