The digit 0 on a keycap. It stands for zero, none, or nothing at all.
People use 0️⃣ to say 'zero chance' or 'zero sleep', and combine it with other keycaps for numbers like 1️⃣0️⃣0️⃣. It also lands as the final beat of a 3️⃣2️⃣1️⃣0️⃣ countdown.
Facts
Keycap: 0 0️⃣ is an emoji in the symbols category, under keycap. It is one of the early emoji from Japanese phones, standardized in Unicode 6.0 (2010). On GitHub, Slack and other apps you can type it as :zero: or :keycap_0:. People also look for it with words like “0”, “keycap”, or “zero”.
Timeline
2010Added to the emoji standard (Unicode 6.0)
Design history
Google (Noto)
2015
2017
2021
Google Noto Emoji images: Apache 2.0. Twemoji graphics by X Corp and contributors: CC-BY 4.0.