YOU SAID:

I will have a class within 1 hour from now

INTO JAPANESE

今から 1 時間以内のクラスがあるでしょう

BACK INTO ENGLISH

There is class for less than an hour from now will be

INTO JAPANESE

今から時間未満のクラスがあります。

BACK INTO ENGLISH

Class for less than an hour from now.

INTO JAPANESE

今から 1 時間以内のクラスです。

BACK INTO ENGLISH

It is class in less than an hour from now.

INTO JAPANESE

今から 1 時間以内のクラスです。

BACK INTO ENGLISH

It is class in less than an hour from now.