at one time; once; some time ago (indicating a past period or former state).
ひところは夜更かしが多かったが、今は早く寝るようになった。
I used to stay up late at one time, but now I go to bed early.
あの歌手はひところ大人気だったが、最近はめっきり露出が少ない。
That singer was very popular at one time, but has recently appeared far less.
ひところの景気の良さはもう戻らないかもしれない。
The prosperity of former days may never return.