Due to
This expression is used in formal contexts to indicate that something is due to a specific reason.
Examples
本日は休館につき、ご了承ください。
The facility is closed today due to maintenance.
休日につき、営業時間が短縮されます。
Hours will be shortened due to the holiday.
急用につき、本日は会議を欠席します。
I will be absent from the meeting today due to an urgent matter.
Quick check
本日は休館___、ご了承ください。