Japanese-Language Proficiency Test
The Japanese-Language Proficiency Test (日本語能力試験, Nihongo Nōryoku Shiken), or JLPT, is a standardized criterion-referenced test to evaluate and certify Japanese language proficiency for non-native speakers, covering language knowledge, reading ability, and listening ability. The test is held twice a year in Japan and selected countries (on the first Sunday of July and December), and once a year in other regions (either on the first Sunday of December or July depending on region).
Source: Wikipedia — Japanese-Language Proficiency Test (CC BY-SA 4.0)