だというのに

even though it is

→ だ
phrase Rare #34,647
even though it is Expresses a contrast with what would be expected, often with a sense of surprise or frustration.
JA: もう夜だというのに、彼はまだ働いている。
EN: Even though it’s already night, he’s still working.

新鮮な風が吹いている日だというのに?

Even though it’s a day with a fresh breeze?

皆留守だというのに、不思議なことに家中の電灯がついていた。

Strangely, all the lights in the house were on, even though everyone was away.