convert a datetime string to date code example

Example 1: convert string date to datetime and format

var dateString = "2020-09-25T10:13:21.246321+01:00";
String formattedDateString = DateFormat('do LLLL yyyy').format(DateTime.parse(dateString)); 
// formattedDateString - OUTPUT: "25 September 2020"

Example 2: convert str to datetime

import datetime

# str value "Apr 2, 2019" convert into any format. 
datetime.datetime.strptime('Apr 2, 2019', '%b %d, %Y').strftime('%a, %d %b %Y')