LangBytes · Business Japanese Proficiency Test
BJT guides
Study notes for the BJT. Every claim is either an organiser or Immigration Services Agency fact, with its source, or labelled as a candidate’s report.
What the BJT actually feels like: the 5-second answer window and how to train for it
Candidates report about five seconds to answer after the audio in BJT Parts 1 and 2. What the organiser publishes, what it does not, and how to train for it.
Part 2 survival: reading the options before the audio, skimming email answers, protecting your focus for Part 3
BJT Part 2 is where candidates say focus slips. Read the options during the audio, skim long email-style answers, and keep energy for the 30-minute Part 3.
Keigo first: why 尊敬語 and 謙譲語 come before everything else for BJT
The BJT measures honorifics as a basic language skill. Why a J2 candidate studied 尊敬語 and 謙譲語 first, and a four-step order for your first weeks of keigo.
BJT vs JLPT N1 vs NAT-TEST for Japan’s HSP visa: points (400 = +10, 480 = +15), booking and retakes
ISA counts BJT 480+ as +15 HSP points and 400+ as +10, like JLPT N1 and N2. How booking, retakes and certificate validity compare, with official sources.
From zero to J2 in ~4.5 months: a realistic study plan for working professionals
One candidate reported reaching BJT J2 in about 4.5 months while working. A four-block plan built on that report, with the official format and score bands.
Planning around the BJT retake rule (3 calendar months, not 90 days): sit at 400 first, aim for 480 next
The BJT retake wait is 3 calendar months after any sitting, not 90 days. The official examples, why day counting fails, and how to plan 400 first and 480 next.
日本語の記事
BJT本番の体感：5秒の解答時間と、その練習方法
BJTの第1部・第2部で、音声終了後の解答時間は約5秒という受験者の報告があります。主催者が公表している内容と、そうでない内容、そして練習方法をまとめました。
BJTは敬語が先：尊敬語と謙譲語をほかの学習より先にやる理由
BJTは敬語・待遇表現を言語の基礎力として測ります。J2に到達した受験者が尊敬語と謙譲語から始めた理由と、最初の数週間の4段階の進め方を紹介します。
BJTの再受験は「90日」ではなく「暦の3か月」：まず400点、次に480点を目指す計画
BJTの再受験間隔は、どの受験の後でも暦の3か月で、90日ではありません。公式の例、日数で数えると失敗する理由、400点から480点への計画を解説します。