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Japanese Age & Era Calculator

Convert years between Gregorian and Japanese eras: Reiwa, Heisei, Showa, Taisho, Meiji.

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Era (元号)

Era Year (年号)

Japanese Era (元号) Reference

Era	Reading	Gregorian	Length
令和	Reiwa	2019 – present	8+ years
平成	Heisei	1989 – 2019	31 years
昭和	Showa	1926 – 1989	64 years
大正	Taisho	1912 – 1926	15 years
明治	Meiji	1868 – 1912	45 years

About Japanese Age & Era Calculator

The Japanese Era System Explained

Japan uses a unique era-based calendar system (元号, gengō) alongside the Western calendar. Each era begins when a new Emperor ascends the throne, and years are counted from that starting point. The current era is 令和 (Reiwa), which began on May 1, 2019 when Emperor Naruhito took the throne.

This system is deeply embedded in Japanese society. While many people use the Western calendar (西暦, seireki) in daily life, government forms, official documents, drivers licenses, and many workplace records still use the era system. Understanding both systems is essential for living in Japan.

Reiwa, Heisei, and Showa Eras

The three most relevant eras for modern life are: 令和 (Reiwa, 2019–present), 平成 (Heisei, 1989–2019), and 昭和 (Showa, 1926–1989). Most people you interact with in Japan were born in Showa or Heisei, and knowing how to convert these years helps you understand ages and dates on documents.

For example, 平成5年 (Heisei 5) means 1993, calculated as 1988 + 5. 昭和60年 (Showa 60) means 1985, calculated as 1925 + 60. These conversions become second nature with practice, and our calculator below handles them instantly for any date you need.

Why Era Years Matter When Living in Japan

When filling out forms at city hall (市役所), hospitals, banks, or immigration offices, you will often encounter fields asking for your birth date in Japanese era format. Your residence card and health insurance documents use era dates. Job applications at many companies also expect era-format dates for education and work history.

For Nepali students, there is an extra conversion step since Nepal uses Bikram Sambat (BS). You need to convert BS to AD first, then to the Japanese era. Our calculator simplifies this entire process so you always have the correct date ready when filling out important documents in Japan.

How This Calculator Works

Enter a date in any format — Western year, Japanese era year, or your age — and the calculator instantly converts it to all other formats. It shows the corresponding Reiwa, Heisei, or Showa year, calculates your current age, and displays the Japanese way to express it.

The tool also accounts for the exact month when eras changed, so boundary dates (like January 1989, when both Showa 64 and Heisei 1 are valid) are handled correctly. Bookmark this page for quick reference whenever you need to fill out forms with Japanese era dates.

How to Use Japanese Age & Era Calculator

Enter your birth year or select a year from the list.

View the corresponding Japanese era name and year.

See your age displayed in Japanese format.

Learn which era your birth year falls under.

Frequently Asked Questions

What year is it in Reiwa? +

To find the current Reiwa year, subtract 2018 from the Western year. For example, 2026 is Reiwa 8 (令和8年), because 2026 - 2018 = 8. The Reiwa era started on May 1, 2019 (Reiwa 1), so dates before May 2019 in that year are still Heisei 31.

How do I convert my Nepali birth year to the Japanese era? +

First convert your Bikram Sambat year to the Western calendar by subtracting approximately 56.7 years (the exact offset depends on the month). For example, BS 2057 is roughly AD 2000, which is Heisei 12. Our calculator can handle this conversion directly — just enter your Western birth year and it will show the Japanese era equivalent.

Why does Japan still use era years instead of the Western calendar? +

The era system is tied to the Emperor and symbolizes continuity and cultural identity in Japan. It has been used for over 1,300 years. While the Western calendar is widely used in business and international contexts, the era system remains the official calendar for government documents, legal records, and many traditional institutions. Both systems coexist comfortably in modern Japan.

Do I need to know Japanese era years for the JFT exam? +

The JFT Basic exam does not directly test era year conversion, but you may encounter era dates in reading comprehension passages involving forms, schedules, or official notices. More importantly, you will need this knowledge immediately upon arriving in Japan for handling paperwork at immigration, city hall, and your employer. Consider it essential practical knowledge beyond the exam.

What era was I born in if I was born in 1995? +

1995 falls in the Heisei era. Specifically, it is Heisei 7 (平成7年), calculated as 1995 - 1988 = 7. The Heisei era ran from January 8, 1989 to April 30, 2019. Most young Nepali adults heading to Japan for work were born during the Heisei era.