# The Longest Day in Chang'an (2019) — Celluloid TV fact sheet

Source: https://celluloidscore.com/shows/the-longest-day-in-chang-an/
Last reviewed: 2026-08-31

| Field | Value |
|-------|-------|
| Celluloid Score | 85% |
| Celluloid Editorial Rating | 86/100 |
| Audience Snapshot | 90% |
| Metascore | 76/100 |
| IMDb | 8.4/10 |
| Fan Score | 92% |
| Creator | Ma Boyong |
| Platform | Youku |
| Genres | Mystery, Action |
| Seasons | 1 (48 episodes) |
| Language | Mandarin |
| Country | China |

## Quick answer

The Longest Day in Chang'an (2019) is a Mystery, Action series created by Ma Boyong, streaming on Youku. It holds a 85% Celluloid Score — Recommended — from Celluloid editorial (86%), Metascore (76/100), IMDb (8.4/10), TMDB fan (92%) across 1 season. Audience snapshot (not in the composite): 90%.

## Celluloid verdict

The Longest Day in Chang'an — signature C-drama credit for Lei Jiayin & Jackson Yee.

## Synopsis

Chang'an. The city of Eternal Peace. China's ancient imperial capital and the world's most magnificent metropolis. Its treasures and wealth are now under siege from a mysterious army. In 24 hours the enemies will launch a devastating attack. While the nobles panic and flee, the city's most notorious criminal will be its savior!

## Cast

Lei Jiayin, Jackson Yee, Li Xian, Zhou Yiwei, Rayzha Alimjan, Han Tongsheng, Li Yuan, Wang Herun, Lu Fangsheng, Jiang Yi

## Critic reviews on Celluloid: 1

## Most searched questions

**Is The Longest Day in Chang'an worth watching?**
Yes — The Longest Day in Chang'an earns a 85% Celluloid Score (Recommended), from editorial 86%, Metascore 76/100, IMDb 8.4/10, TMDB fan 92%. Audience snapshot is separate (90%). The Longest Day in Chang'an — signature C-drama credit for Lei Jiayin & Jackson Yee.

**Why is The Longest Day in Chang'an so highly rated?**
The Longest Day in Chang'an scores 85% from four inputs: Celluloid editorial 86/100, Metacritic 76/100, IMDb 8.4/10 and TMDB fan rating 92%. The separate audience snapshot is 90%. The Longest Day in Chang'an — signature C-drama credit for Lei Jiayin & Jackson Yee. See the full breakdown on the The Longest Day in Chang'an series page.

**Is The Longest Day in Chang'an on Netflix?**
No — The Longest Day in Chang'an is not on Netflix. It streams on Youku, and on Celluloid it is catalogued under Youku. Streaming rights rotate by country, so confirm in your region before subscribing.

**What year did The Longest Day in Chang'an come out?**
The Longest Day in Chang'an first aired in 2019 (2019). Created by Ma Boyong; it streams on Youku today.

**How many seasons of The Longest Day in Chang'an are there?**
The Longest Day in Chang'an has 1 season across 48 episodes (2019). Status: ended / complete.

**How long does it take to watch The Longest Day in Chang'an?**
At roughly 40–50 minutes per episode, The Longest Day in Chang'an’s 48 episodes take roughly 36 hours of runtime (plus credits). Binge pace depends on season breaks.

**Where can I watch The Longest Day in Chang'an?**
The Longest Day in Chang'an streams on Youku in supported regions. On Celluloid it is catalogued under Youku. Rights rotate — confirm in your country on the platform app.

**Who is in the cast of The Longest Day in Chang'an?**
The Longest Day in Chang'an stars Lei Jiayin, Jackson Yee, Li Xian, Zhou Yiwei, Rayzha Alimjan, and others. Created by Ma Boyong.

**How many episodes are in The Longest Day in Chang'an?**
The Longest Day in Chang'an has 48 episodes across 1 season (2019).

**What is The Longest Day in Chang'an about?**
Chang'an. The city of Eternal Peace. China's ancient imperial capital and the world's most magnificent metropolis. Its treasures and wealth are now under siege from a mysterious army. In 24 hours the enemies will launch a devastating attack. While the nobles panic and flee, the city's most notorious criminal will be its savior!

**Who created The Longest Day in Chang'an?**
The Longest Day in Chang'an was created by Ma Boyong. It is a mystery, action series from China, primarily in Mandarin.

**What should I watch after The Longest Day in Chang'an?**
Browse more mystery series on Celluloid’s Youku hub, or open More Like This.

---
Reviewed and scored by Celluloid · Editor: Kaiser Khan (https://celluloidscore.com/author/kaiser-khan/)

Markdown mirror: https://celluloidscore.com/shows/the-longest-day-in-chang-an.md