{"schema":"greentank-time/1","sync_state":"unverified","input":{"utc":"2026-09-29T09:00:00Z","local":null,"zone":"Europe/London"},"resolution":"unique","candidates":[{"utc":"2026-09-29T09:00:00.000Z","tai":"2026-09-29T09:00:37.000 TAI","tai_minus_utc_seconds":37,"civil":{"local":"2026-09-29T10:00:00","offset_seconds":3600,"utc_offset":"UTC+01:00","zone":"Europe/London","zone_name":"British Summer Time","daylight_state":"daylight saving"}}],"leap_source":"IERS TAI−UTC history + Bulletin C 72 (2026-07-06)","timezone_runtime_version":"not exposed by Intl; check for vendor updates","iana_latest_checked":"2026d","note":"Local civil conversion uses this host's Intl timezone rules. The runtime's underlying tzdb version is not exposed; recent rule changes need independent confirmation."}