The HSK 4 test duration is approximately 105 minutes in total, which is broken down as follows:

1. Overall Duration Breakdown
- Test Time: 100 minutes
- Additional Time: 5 minutes for filling in personal information
- Total Time: 105 minutes

2. Detailed Breakdown by Section
- Listening:
- Duration: 40 minutes (including 5 minutes for filling in the answer sheet after listening)
- Content:
- Part 1: 10 questions (True/False based on short dialogues)
- Part 2: 15 questions (Multiple-choice from longer dialogues)
- Part 3: 20 questions (Multiple-choice from monologues or dialogues)
- Reading:
- Duration: 40 minutes
- Content:
- Part 1: 10 questions (Fill in the blank with the correct word/phrase)
- Part 2: 10 questions (Arrange sentences in order)
- Part 3: 20 questions (Multiple-choice from longer passages)
- Writing:
- Duration: 20 minutes
- Content:
- Part 1: 10 questions (Rearrange words to form correct sentences)
- Part 2: 1 question (Write a short composition of about 100 characters)

3. Key Points
- No Breaks Between Sections: The test is continuous, with no scheduled breaks between the Listening, Reading, and Writing sections.
- Strict Time Management: Candidates must adhere to the time limits for each section, as there is no flexibility to transfer time between sections.
- Answer Sheet Completion: The 5 minutes at the end of the Listening section is specifically for transferring answers to the answer sheet.

4. Tips for Test-Takers
- Practice Time Management: Use mock tests to get accustomed to the pacing required for each section.
- Focus on Accuracy and Speed: Balance the need to answer all questions with the need to answer them correctly.
- Stay Calm and Focused: The test is designed to challenge intermediate learners, so manage your time and energy wisely.

The HSK 4 test is a rigorous assessment of intermediate Chinese language proficiency, and understanding the time constraints is crucial for success. Proper preparation and practice can help you navigate the test efficiently and achieve your desired score.