There are typically six periods in a day for CBSE Class 4. These periods are spread out across different subjects and activities to provide a well-rounded education for students. Let's break down the details of these periods:

1. First Period:
The first period of the day usually starts with the morning assembly. Students gather in the school assembly area to pray, sing the national anthem, and listen to important announcements. This period helps in fostering discipline, unity, and a sense of belonging among the students.

2. Second and Third Periods:
The second and third periods are dedicated to academic subjects like Mathematics, English, Hindi, Science, Social Studies, or any other core subjects. These periods focus on teaching and learning specific topics from the prescribed syllabus. The teacher delivers the lesson, engages students in discussions, and conducts exercises to reinforce the concepts taught.

3. Recess:
After a few periods of intense classroom learning, students take a break for recess. This period allows them to relax, socialize, and have their meals. Students can play outdoor games, interact with peers, or engage in other recreational activities during this time.

4. Fourth and Fifth Periods:
The fourth and fifth periods are dedicated to other subjects like Art, Music, Physical Education, Computer Science, or any other non-core subjects. These periods provide students with opportunities to explore their creative abilities, develop physical fitness, and enhance their technological skills. The teacher facilitates these sessions by conducting practical activities and demonstrations.

5. Sixth Period:
The sixth period is usually reserved for co-curricular activities such as debates, quizzes, elocution competitions, or club meetings. These activities aim to develop students' communication skills, critical thinking abilities, teamwork, and leadership qualities. The teacher or a designated mentor oversees and guides these activities.

Overall, the six periods in a day for CBSE Class 4 provide a balanced mix of academic, physical, creative, and co-curricular learning experiences. These periods ensure that students receive a holistic education and have ample opportunities to explore their interests and talents.