YOU SAID:

I start work at 7:45 am tomorrow

INTO JAPANESE

明日は午前7時45分に仕事を始めます

BACK INTO ENGLISH

I will start work at 7:45 am tomorrow

INTO JAPANESE

明日は朝7時45分に出勤します

BACK INTO ENGLISH

I will go to work at 7:45 am tomorrow morning.

INTO JAPANESE

私は明日の朝、午前7時45分に出勤します。

BACK INTO ENGLISH

I will be at work at 7:45 am tomorrow morning.

INTO JAPANESE

私は明日の朝、午前7時45分に出勤します。

BACK INTO ENGLISH

I will be at work at 7:45 am tomorrow morning.