dates

snow
 replica.sys_created_on = entity.sys_created_on
// "sys_created_on": "2023-09-15 07:19:37",




jira cloud datepicker

import java.text.SimpleDateFormat;
import java.text.DateFormat;
//  "sys_created_on": "2023-09-15 07:19:37",
def dateCustomFieldValue(replicaCustomField) {
    def datePattern = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
    //"yyyy-MM-dd HH:mm:ss";; // define the desired date/time format
    String dateString = replicaCustomField;
    if (dateString) {
        dateString = dateString.replaceAll("\"","").trim();
        DateFormat formatter = new SimpleDateFormat(datePattern);
        date = formatter.parse(dateString);
        return new java.sql.Timestamp(date.time);
    }
}

issue.customFields."DateTimePicker".value = dateCustomFieldValue(replica.sys_created_on);