Peak hour in Tokyo is an intense experience characterized by extreme train congestion, particularly during the morning commute. The morning rush generally occurs between 7:30 AM and 9:30 AM, with the absolute peak usually hitting around 8:30 AM as workers head toward central business districts like Shinjuku, Shibuya, and Tokyo Station. During this time, trains can reach over 150% capacity, and you may even see station staff (Oshiya) helping to push passengers into carriages. The evening rush is more spread out, typically lasting from 5:30 PM to 8:00 PM, as people leave work at varying times. There is also a secondary "late-night peak" between 11:00 PM and midnight, as revelers and late-night workers scramble to catch the last trains home before the network shuts down for the night. For tourists, it is highly recommended to avoid traveling with large luggage during these windows to ensure comfort and safety.