如何在rust中获取带有时区的时间戳

我正在使用这个 rust 码来获取时间戳，但是没有时区的时间:

use std::time::Duration;
use chrono::{DateTime, FixedOffset, Local, NaiveDateTime, TimeZone, Utc};
use diesel::sql_types::Timestamptz;
use rust_wheel::common::util::time_util::get_current_millisecond;
use tokio::time;

#[tokio::main]
async fn main() {
    let trigger_time = (get_current_millisecond() - 35000)/1000;
    let time_without_zone = NaiveDateTime::from_timestamp( trigger_time ,0);
}

时间戳结果是2022-08-30 13:00:15，实际想要的结果是:2022-08-30 21:00:15.然后我try 设置时区:

use std::time::Duration;
use chrono::{DateTime, FixedOffset, Local, NaiveDateTime, TimeZone, Utc};
use diesel::sql_types::Timestamptz;
use rust_wheel::common::util::time_util::get_current_millisecond;
use tokio::time;

#[tokio::main]
async fn main() {
    let trigger_time = (get_current_millisecond() - 35000)/1000;
    let time_without_zone = NaiveDateTime::from_timestamp( trigger_time ,0);

    let tz_offset = FixedOffset::east(8 * 3600);
    let date_time: DateTime<Local> = Local.from_local_datetime(&time_without_zone).unwrap();
    print!("{}",date_time);

    let dt_with_tz: DateTime<FixedOffset> = tz_offset.from_local_datetime(&time_without_zone).unwrap();
    print!("{}",dt_with_tz);
}

结果是2022-08-30 13:00:15 +08:00.可以获得带有时区的时间戳吗？我该怎么办？我的意思是得到这样的时间戳格式2022-08-30 21:00:15.