YOU SAID:

Maybe he does and he sets his clock back one hour when it ends.

INTO JAPANESE

たぶん、彼はそうし、彼はそれが終わると1時間戻って彼の時計を設定します。

BACK INTO ENGLISH

Maybe he will do so, and he will set his watch back for an hour when it's over.

INTO JAPANESE

たぶん、彼はそうするでしょう、そして、彼はそれが終わったら1時間時計を戻すでしょう。

BACK INTO ENGLISH

Maybe he will, and he will turn back the clock for an hour when it is over.

INTO JAPANESE

たぶん、彼はそうするでしょう、そして、彼はそれが終わったら1時間時計を引き返すでしょう。

BACK INTO ENGLISH

Maybe he will, and he will turn back the clock for an hour when it's over.

INTO JAPANESE

たぶん、彼はそうするでしょう、そして、彼はそれが終わったら1時間時計を引き返すでしょう。

BACK INTO ENGLISH

Maybe he will, and he will turn back the clock for an hour when it's over.