До сих пор будучи дома, он получил

До сих пор будучи дома, он получил письмо за час до отъезда

Результаты (английский) 1:

Still being home, he received a letter from one hour prior to departure

Результаты (английский) 2:

Until now, being at home, he received a letter from one hour before departure

Результаты (английский) 3:

So far as at home, he received a letter from one hour prior to departure