Java tutorial
import java.time.LocalDateTime; import java.time.format.DateTimeFormatter; public class Main { public static void main(String[] args) { DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss'Z'"); LocalDateTime now = LocalDateTime.now(); LocalDateTime then = now.minusDays(7); System.out.println(String.format("Now: %s\nThen: %s", now.format(format), then.format(format))); } }