use std::time::{UNIX_EPOCH};
fn main() {
let millis = 1476907455894;
let duration = std::time::Duration::from_millis(millis);
let time = UNIX_EPOCH + duration;
let datetime = time.duration_since(UNIX_EPOCH).unwrap();
let total_years = datetime.as_secs() / (365 * 24 * 60 * 60);
println!("{}", total_years);
let year = 1970 + (total_years as i64);
println!("{}", year);
}
/*
run:
46
2016
*/