---
title: "Day and Night"
year: 2017
canonical_url: "https://www.archytele.com/show/day-and-night-2017"
media_type: "tv"
tmdb_id: 73982
imdb_id: "tt7341934"
status: "Ended"
seasons_count: 2
episodes_count: 61
runtime_minutes: 45
community_rating: 8.3
vote_count: 57
content_rating: "Unrated"
---

# Day and Night (2017) — Television & Cinema Intelligence Dossier

> **Archytele Living Vault Canonical Record**: https://www.archytele.com/show/day-and-night-2017

## Executive Summary & Cultural Positioning

Day and Night is a television series first released in 2017. Catalogued under Crime, Drama, Mystery. Produced and broadcast by Youku. Current status: Ended. Spans 2 seasons and 61 tracked episodes.

## The Hook & The Verdict

**The Hook**: "Twin brothers navigate a dangerous conspiracy to uncover the truth behind a brutal family massacre."

### Why Watch
- intricate plot
- compelling dual lead performance

### Caveats & Content Note
- contains depictions of violence
- Tone & Suitability: The series features themes of violence and crime consistent with the thriller genre.

**Micro-Themes & Vibe Matrix**: thriller, mystery, crime, suspense

## Streaming Availability Matrix

| Region | Stream (Subscription) | Free / Ads | Rent / Buy |
| :--- | :--- | :--- | :--- |
| **United States (US)** | None | Amasian TV | None |

## Season Architecture & Lore Primers

### Season 1 (32 Episodes)
Day and Night is a Chinese television series. The story revolves around Guan Hongyu, a man who has been set up as a murderer of a family of five. In order to clear his name, Guan Hongyu starts a journey of sharing the same identity with his twin brother Guan Hongfeng. The series aims to uncover the real mastermind behind the setup.

### Season 2 (29 Episodes)
## Filler vs. Essential Episode Classifier

- **Total Tracked Episodes**: 61
- **Crucial Mytharc Episodes**: 4 (7%)
- **Character Core Episodes**: 57 (93%)
- **Side Quest / Filler Episodes**: 0 (0%)

## Creative Credits

- **Created by**: Zhi Wen
- **Networks / Studios**: Youku

## Key Cast Continuity

- **Pan Yueming** as *关宏峰 / 关宏宇*
- **Wang Longzheng** as *周巡*
- **Liang Yuan** as *周舒桐*
- **Yin Shuyi** as *赵茜*
- **Hou Xuelong** as *小汪*
- **Han Yezhou** as *崔虎*
- **Cady Yang** as *刘音*
- **Lü Xiaolin** as *高亚楠*
- **Song Naigang** as *刘长永*
- **William Wu** as *赵鑫诚*

## Canonical Frequently Asked Questions

### Q: What is the series about?
It follows twin brothers Guan Hongfeng and Guan Hongyu as they investigate a massacre that destroyed their family.

### Q: Who directed the series?
The series was directed by Wang Wei.

### Q: How many episodes are there?
The series consists of 32 episodes.

### Q: When did the series air?
It aired from August 30, 2017, to October 11, 2017.

### Q: Who are the primary cast members?
The cast includes Pan Yueming, Wang Longzheng, Liang Yuan, Lü Xiaolin, and Yin Shuyi.

## Grounded Source Citations

- [Day and Night — The Movie Database (TMDB)](https://www.themoviedb.org/tv/73982)
- [Day and Night (TV series) - Wikipedia](https://en.wikipedia.org/wiki/Day_and_Night_(TV_series))
- [Day and Night (TV Series 2017– ) - IMDb](https://www.imdb.com/title/tt7341934/)
- [Day and Night (TV Series 2017-2024) - Cast & Crew - The Movie …](https://www.themoviedb.org/tv/73982/cast)
- [Day and Night Full Cast & Crew - MyDramaList](https://mydramalist.com/25135-day-and-night/cast)
- [Day and Night (2017-2024) - Full Cast and Crew | Moviefone](https://www.moviefone.com/tv-shows/day-and-night/U0Tktjktav53A3kB5bDVF/credits/)

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*Generated by Archytele Open Intelligence Systems. Data verified against TMDB and JustWatch APIs.*