About the location
The city is divided into 47 prefectures, which are kind of own cities, but in general, the whole area is titled as Tokyo Metropolis or just Tokyo by most of the people. These districts included, Tokyo is the worlds most populous metropolitan area with nearly 38 Mio people. The weather is termed as humid subtropical climate, which means that the summer is pretty warm with a daily mean of around 26 °C during August, but this is also the rainy season. The winter, on the other hand, isn't that cold with mean temperates around 5 °C and only a few rainy or snowy days.
For photographers, this mega city is without any doubt one of the most versatile places on earth, no matter which type of photography you enjoy. Although the city is extremely crowded, it can still look pretty empty during the night or in the early morning. So if this fits your type of photography, these time slots are probably best for you.