This article explores the cultural norms around showing up early in Japan and how to avoid being rude when doing so. Punctuality is highly valued in Japan, and people are expected to be on time for meetings and appointments. Showing up early means arriving at least 10-15 minutes before the scheduled start time of an event or meeting, but anything earlier than that could be seen as intrusive or rude by the host or other guests. To avoid this, it is important to call ahead with advance notice of your arrival and offer assistance with any tasks they may have left undone.