YOU SAID:
Gentlemen, we meet down at 11:45.
INTO JAPANESE
皆さん、11:45に集合してください。
BACK INTO ENGLISH
Everyone, please gather at 11:45.
INTO JAPANESE
皆様、11時45分までにお集まりください。
BACK INTO ENGLISH
Everyone please be there by 11:45.
INTO JAPANESE
皆様11時45分までにお越しください。
BACK INTO ENGLISH
Please arrive by 11:45am.
INTO JAPANESE
午前11時45分までに到着してください。
BACK INTO ENGLISH
Please arrive by 11:45am.
That didn't even make that much sense in English.