to_japanese_era

shallow

jp.ossalt/jp-biz-tools · Verify this server

Convert a Gregorian date (YYYY-MM-DD) to the Japanese era calendar, e.g. 2026-10-07 → 令和8年10月7日 (wareki_short R8.10.07, zero-padded). Year 1 is written 元年. Supported from 1873-01-01 (the Gregorian calendar was adopted on 明治6年1月1日). Eras: 令和 (R) from 2019-05-01, 平成 (H) from 1989-01-08, 昭和 (S) from 1926-12-25, 大正 (T) from 1912-07-30, 明治 (M) from 1868-01-25. flags: `assumes_current_era` for dates after today (the era might change). / 西暦の日付を和暦にする。1年目は「元年」。明治6年(1873年)1月1日から。今日より後の日付には assumes_current_era。

100.0/100

1 trials · measured 1 day ago

to_japanese_era scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against jp.ossalt/jp-biz-tools, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.

Component breakdown

ComponentWeightValue
Reliability35%not applicable
Schema integrity25%100.0
Failure behaviour15%not applicable
Latency15%not applicable
Concurrency10%not applicable

Tool details

Transport
remote
Credential class
self-provisionable
Input schema
not declared
Output schema
not declared
Side-effect classification
unclassified

Score history

DayScoreTierMethodology
2026-10-20100.0shallowv0.2.0

Probe evidence

ProbeOutcomes
schema_integritypass: 1

Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.

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Vouch score: to_japanese_era
[![Vouch score](https://vouch.tools/api/tools/d9d71b7f-aa3b-48fb-a2d7-e94fccda8456/badge.svg)](https://vouch.tools/tools/d9d71b7f-aa3b-48fb-a2d7-e94fccda8456)
to_japanese_era — Vouch