/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.time.* ;
import java.time.format.* ;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		String input = "понеділок 12 квітень 07:00 2021";
		Locale locale = new Locale.Builder().setLanguage( "uk" ).setRegion( "UA" ).build();
		DateTimeFormatter f = DateTimeFormatter.ofPattern( "EEEE dd MMMM HH:mm yyyy" ).withLocale( locale );
		LocalDateTime ldt = LocalDateTime.parse( input , f );
		System.out.println( "ldt = " + ldt );
	}
}

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