I'm free after 3 p.m. on Saturday or before 9 p.m. on Sunday.
I'm open anytime after 3 o'clock in the afternoon on Saturday, or anytime before 9 o'clock in the evening on Sunday.
ーI'm free after 3 p.m. on Saturday or before 9 p.m. on Sunday.
「土曜の3 p.m.以降か、日曜の9 p.m.前なら空いてるよ」
free で「手が空いて・暇な」
ーI'm open anytime after 3 o'clock in the afternoon on Saturday, or anytime before 9 o'clock in the evening on Sunday.
「土曜の午後３時以降ならいつでも、それか日曜の夜９時前ならいつでも空いているよ」
open で「（時間が）空いている・暇な」
ご参考まで！
カナダ 
