YOU SAID:

Please i cannot go to the airport because it is approximately Monday mourning.

INTO JAPANESE

月曜日の喪に服しているので空港に行けません。

BACK INTO ENGLISH

I can't go to the airport because I'm in mourning on Monday.

INTO JAPANESE

月曜日に喪に服しているので空港に行けません。

BACK INTO ENGLISH

I can't go to the airport because I'm in mourning on Monday.