This is my first time traveling to japan and I would like to know if is necesary to get a 21 days jr pass or 15 days jr pass and also I don't know wich of these routes are better.
Tokyo > kanazawa > shirakawago > takayama > nagoya > kyoto
Tokyo >nagoya > takayama > shirakawago>kanazawa>kyoto
MARCH
18th Departure from Mexico
19th Arrival to Tokyo at night
20th Tokyo
21st Tokyo
22nd Tokyo
23rd Tokyo
24th Hakone (We don't know if we stay or go back to Tokyo)
25th Kamakura and yokohama
26th Day trip to nikko
27th Tokyo-kanazawa
28th kanazawa-Shirakawa go-Takayama
29th Takayama
30th Takayama-nagoya-kyoto
31st Kyoto
APRIL
1st Kyoto
2nd Kyoto
3rd Kyoto-Hiroshima-Miyajima
4th Miyajima-Hiroshima-Himeji-Osaka
5th Osaka- Nara-Osaka
6th Osaka
7th Osaka-Tokyo
8th Tokyo
P.s I'mgoing on the cherry blossom season, should I get a green class? Thank you