import java.time.OffsetDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Locale;
 
public class Main {
	public static void main(String[] args) {
		String d = "2021-08-27 06:25:00.716241+00:00";
		DateTimeFormatter dtfInput = DateTimeFormatter.ofPattern("u-M-d H:m:s.SSSSSSXXX", Locale.ENGLISH);
		OffsetDateTime odt = OffsetDateTime.parse(d, dtfInput);
 
		DateTimeFormatter dtfOutput = DateTimeFormatter.ofPattern("uuuu-MM-dd'T'HH:mm:ss", Locale.ENGLISH);
		String str = odt.format(dtfOutput);
		System.out.println(str);
 
		// Add 5 minutes to it
		odt = odt.plusMinutes(5);
		str = odt.format(dtfOutput);
		System.out.println(str);
	}
}
 

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