What time is Tokyo rush hours?Around 7:30 to 9am
Is subway and metro busier than JR Line?
No, they are equally busy.
I wish to visit Tsujiki Market. What time should I be there as not to miss the market place in action?
Between 5:00am and 6:15am:
http://www.japan-guide.com/e/e3021.html
In Kyoto is rush hours different?
No. But I think a little bit less intense.
Is buses and subway crowded on a Sunday?
In Kyoto, the bus lines used by tourists tend to be crowded on Sundays.
But generally speaking, there are no morning rush hours on weekends.