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Inputs are calculated in your browser and are not sent to a server. When you use sharing, the reproducible URL includes the current conditions.
Time
School Grade and Entry Year Calculator
Estimate Japanese school grade, entry year, and graduation year from a birth date and as-of date.
Updated: May 15, 2026
Input
Estimate Japanese school grade and school years using an April school year and April 1 cutoff.
Uses the common Japanese April school year with the April 1 cutoff.
Result
Elementary 2
Grade estimate
2025
Entry year
2031
JH entry
2037
HS grad
School year: 2026
Use this as a guide and adjust for your real conditions.
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How to use
- Enter Birth date, As-of date, School system.
- Check the estimate in the result area.
- Share a reproducible URL if needed.
How to read the result
- Read Grade, Entry year, Graduation year as quick decision-making estimates.
- Do not treat the result as a fixed answer; adjust assumptions to see the range when needed.
Useful tips
- Useful when you want to check a child's school grade; adjust inputs to compare scenarios.
- Useful when you want to estimate entry or graduation years; adjust inputs to compare scenarios.
- For schedules, copy results into a calendar or notes and compare against real deadlines or closed days.
- Date and time outputs depend on device settings, so double-check time zones and entered dates.
Calculation
Uses the common Japanese April school year and April 1 cutoff to estimate grade and school years.
Notes
- Use results for planning only.
- Outputs depend on device time settings.
- Confirm important plans in your calendar or official sources.
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FAQ
Are results exact?
Use results as everyday estimates. For exact decisions, confirm with official or specialized sources.
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