# Z21 \| CR Train Info

Z21 · Train details；北京西 → 拉萨；Departure 19:49 · Arrival 11:47 \(day 3\)

Page URL: [https://crinfo.net/trains/Z21/2400000Z210W?lang=en](https://crinfo.net/trains/Z21/2400000Z210W?lang=en)

Times use Asia/Shanghai (UTC+08:00).

Travel day 1 is the departure day; day 2 is the following calendar day.

- Service plan versions: 2400000Z210W

- Train: Z21

- Origin: [北京西](https://crinfo.net/stations/%E5%8C%97%E4%BA%AC%E8%A5%BF?lang=en)

- Departure: 19:49

- Destination: [拉萨](https://crinfo.net/stations/%E6%8B%89%E8%90%A8?lang=en)

- Arrival: 11:47 \(day 3\)

- Train type: 25TDC600V

- Depot: 西宁车辆段

- Service: 西宁客运段

[← Previous plan](https://crinfo.net/trains/Z21/2400000Z210V?lang=en)

## Service calendar

- Calendar window: 2026-09, 2026-10, 2026-11

- Observed service: 2026-09-01, 2026-09-02, 2026-09-03, 2026-09-04, 2026-09-05, 2026-09-06, 2026-09-07, 2026-09-08, 2026-09-09, 2026-09-10, 2026-09-11, 2026-09-12, 2026-09-13, 2026-09-14, 2026-09-15, 2026-09-16, 2026-09-17, 2026-09-18, 2026-09-19, 2026-09-20, 2026-09-21, 2026-09-22, 2026-09-23, 2026-09-24, 2026-09-25, 2026-09-26, 2026-09-27, 2026-09-28, 2026-09-29, 2026-09-30, 2026-10-01, 2026-10-02, 2026-10-03, 2026-10-04, 2026-10-05, 2026-10-06, 2026-10-07, 2026-10-08, 2026-10-09, 2026-10-10, 2026-10-11, 2026-10-12, 2026-10-13, 2026-10-14, 2026-10-15, 2026-10-16, 2026-10-17, 2026-10-18, 2026-10-19, 2026-10-20

- Predicted service: 2026-10-21, 2026-10-22, 2026-10-23, 2026-10-24, 2026-10-25, 2026-10-26, 2026-10-27, 2026-10-28, 2026-10-29, 2026-10-30, 2026-10-31, 2026-11-01, 2026-11-02, 2026-11-03, 2026-11-04, 2026-11-05, 2026-11-06, 2026-11-07, 2026-11-08, 2026-11-09, 2026-11-10, 2026-11-11, 2026-11-12, 2026-11-13, 2026-11-14, 2026-11-15, 2026-11-16, 2026-11-17, 2026-11-18, 2026-11-19, 2026-11-20, 2026-11-21, 2026-11-22, 2026-11-23, 2026-11-24, 2026-11-25, 2026-11-26, 2026-11-27, 2026-11-28, 2026-11-29, 2026-11-30

Predicted dates are estimates. Missing records do not establish cancellation.

## Train details

| No. | Station | Train code at this station | Arrival | Departure | Travel day | Stop duration | Segment duration | Total duration | Waiting room | Ticket gate |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | [北京西](https://crinfo.net/stations/%E5%8C%97%E4%BA%AC%E8%A5%BF?lang=en) | Z21 | -- | 19:49 | \(day 1\) | -- | -- | -- | 第4候车室 | 4候第1检票口, 4候第2检票口 |
| 2 | [石家庄北](https://crinfo.net/stations/%E7%9F%B3%E5%AE%B6%E5%BA%84%E5%8C%97?lang=en) | Z21 | 22:23 | 22:30 | \(day 1\) | 7 min | 2 hr 34 min | 2 hr 34 min | 候车厅 | 人工检票口, 检票口4 |
| 3 | [太原](https://crinfo.net/stations/%E5%A4%AA%E5%8E%9F?lang=en) | Z21 | 00:12 | 00:20 | \(day 2\) | 8 min | 1 hr 42 min | 4 hr 23 min | 第一候车室 | 一候检票口3 |
| 4 | [中卫](https://crinfo.net/stations/%E4%B8%AD%E5%8D%AB?lang=en) | Z21 | 06:56 | 07:16 | \(day 2\) | 20 min | 6 hr 36 min | 11 hr 7 min | -- | -- |
| 5 | [兰州](https://crinfo.net/stations/%E5%85%B0%E5%B7%9E?lang=en) | Z21 | 12:19 | 12:31 | \(day 2\) | 12 min | 5 hr 3 min | 16 hr 30 min | 1候车室, 1楼检票厅 | 1楼1候, 1楼检票口 |
| 6 | [西宁](https://crinfo.net/stations/%E8%A5%BF%E5%AE%81?lang=en) | Z21 | 15:02 | 15:27 | \(day 2\) | 25 min | 2 hr 31 min | 19 hr 13 min | 二层候车厅 | A2, A3检票口, B2, B3检票口 |
| 7 | [德令哈](https://crinfo.net/stations/%E5%BE%B7%E4%BB%A4%E5%93%88?lang=en) | Z21 | 19:12 | 19:18 | \(day 2\) | 6 min | 3 hr 45 min | 23 hr 23 min | 一层候车厅 | 一层检票口 |
| 8 | [格尔木](https://crinfo.net/stations/%E6%A0%BC%E5%B0%94%E6%9C%A8?lang=en) | Z21 | 21:42 | 22:07 | \(day 2\) | 25 min | 2 hr 24 min | 1 d 1 hr 53 min | 一层候车厅 | 一楼检票口 |
| 9 | [那曲](https://crinfo.net/stations/%E9%82%A3%E6%9B%B2?lang=en) | Z21 | 08:12 | 08:18 | \(day 3\) | 6 min | 10 hr 5 min | 1 d 12 hr 23 min | -- | -- |
| 10 | [拉萨](https://crinfo.net/stations/%E6%8B%89%E8%90%A8?lang=en) | Z21 | 11:47 | -- | \(day 3\) | -- | 3 hr 29 min | 1 d 15 hr 58 min | -- | -- |