extern crate chrono;
extern crate time;

fn main() {
    use chrono::prelude::*;
    use time::Duration;

    let utc: DateTime<Utc> = Utc::now();
    let dt: DateTime<Utc> = utc + Duration::days(12);

    println!("{}", utc);
    println!("{}", dt);
    println!("{}", dt > utc);
}