Direct hikari from Tokyo to Hiroshima

I read that there was a hikari shinkansen from Tokyo that went as far as Okayama and stopped in Hiroshima. Can someone tell what times that train departs Tokyo thoughout the day?

I was going to pick up a shinkasen at Shinagawa for Hiroshima (change at Himeji) but now I'm not certain. Is JR Tokyo hard to get around?

I read that there was a hikari shinkansen from Tokyo that went as far as Okayama and stopped in Hiroshima.

Hiroshima is beyond Okayama!

No, there are no direct trains between Tokyo and Hiroshima anymore. One hikari per hour goes as far as Okayama, but not farther.

There is, however, one hikari train per day, which leaves Shin-Yokohama Station at 6:00 and goes all the way to Hiroshima.

Is JR Tokyo hard to get around?

No, there are lots and lots of English signs. But some platforms are far apart from each other and the station can be rather busy.

Too bad the time is so early for the hikari from Yokohama since we will actually be leaving from Kamakura that day to go to Hiroshima. We want to stay and see a few more things while in Kamakura. Guess it's back to plan A.

Changing trains is no big deal. You get 19' at Shinosaka to change trains. Absolutely easy. Or you get a bit longer at Okayama and can go browswe the food vendors.