It looks like the library only opens from nine o'clock.
According to this sign, the library doesn't open before nine o'clock.
ご質問ありがとうございます。
① "It looks like the library only opens from nine o'clock."=「どうやら図書館は8時からしか開かないようです。」
② "According to this sign,"=「この看板によると、」
"the library doesn't open before nine o'clock."=「図書館は9時前には開かないようです。」
ご参考までに。