import java.time.OffsetDateTime;
import java.time.ZoneOffset;

public class Main {
	public static void main(String[] args) {
		OffsetDateTime odtFromResponse = OffsetDateTime.parse("2021-06-17T05:37:40.1938687+05:30");

		OffsetDateTime odtDesired = odtFromResponse.withOffsetSameInstant(ZoneOffset.of("-05:00"));
		System.out.println(odtDesired);
	}
}