Japanese “Vacancy” Button 🈳

The 🈳 emoji showcases the kanji 空 (kū), meaning "vacant" or "empty," rendered in white on a red button. The design replicates signage commonly displayed in Japanese hotels, ryokans, and accommodations to indicate room availability—a practical, real-world application of ideographic communication.

Use it when indicating that spots are open, rooms are available, or positions are unfilled. It's perfect for event organizers signaling remaining seats, hosts opening their home to guests, or job postings seeking applications. The emoji conveys official availability in a way that feels more formal and organized than simply saying "we have space." In housing or hospitality contexts, it's particularly resonant for Japanese speakers who've seen these signs in actual buildings.

Beyond literal vacancy, it can signal openness—an open mind, open heart, or open calendar. The red button aesthetic gives messages an organized, administrative tone suitable for formal announcements or official communications. Non-Japanese users might appreciate it for its visual distinctiveness and cultural specificity when discussing availability.

Standardized in Unicode Emoji 0.6 in 2010, this emoji directly mirrors signage technology found throughout Japan's accommodation sector, making it both a cultural artifact and a practical communication tool that connects digital messaging to physical spaces.