Nengou is a Japanese date reference hub for Reiwa, Heisei, and Showa conversions, age checks, zodiac lookups, and current-year information.
External tool opens in a new tab.
What is this tool?
Check the current Japanese era year, convert Gregorian and Japanese calendar years, calculate age, and look up zodiac and sexagenary-cycle references.
Best for
Users who need a quick Japanese era conversion, age check, or zodiac reference without installing a calendar app.
Pricing note
The external calculators are presented as free to use. Verify official dates, legal years, and administrative requirements before using a result for formal paperwork.
Key features
Use cases
Check which Japanese era year matches a Gregorian year or birth date.
Estimate age and compare birth years with zodiac or traditional calendar references.
Look up current-year, era, and date information before completing a Japanese form.
Pros
Cons
How to use
Open Nengou Year Calculator and choose era conversion, age, or zodiac lookup.
Enter the Gregorian year, Japanese era year, birth date, or other requested value.
Review the converted year, age estimate, and calendar reference shown by the page.
Confirm date conventions and official requirements before using the result in paperwork.
FAQ
What can Nengou Year Calculator do?
It helps convert Gregorian and Japanese era years, check ages, and look up zodiac and traditional calendar references.
Does it support Reiwa, Heisei, and Showa?
Yes. The site focuses on common Japanese era conversions, including Reiwa, Heisei, and Showa reference tables.
Can it calculate age from a birth date?
Yes. Enter the relevant birth information and review the displayed age estimate, while checking whether the exact birthday has passed.
Can I use the result for official documents?
Use it as a planning aid and verify the final year, date, and administrative rule with the responsible organization.
