{"name":"timezone-convert","description":"Timezone convert / IANA tz conversion / DST-aware time arithmetic / wall-clock to UTC / convert across cities. Convert a datetime from one IANA timezone to another. ISO-8601 input — bare wall-time strings are interpreted in the from_tz, fully-qualified offsets are honored. DST is handled correctly (uses V8's built-in tzdata via Intl.DateTimeFormat). Returns both formatted strings, both UTC offsets, and the difference in hours.","price":"$0.001","method":"POST","input_schema":{"properties":{"datetime":{"type":"string","description":"ISO-8601 datetime. With offset (e.g. '2026-05-08T12:00:00-07:00') it's used as-is; without offset (e.g. '2026-05-08T12:00:00') it's interpreted in from_tz."},"from_tz":{"type":"string","description":"IANA timezone for the input wall-time (e.g. 'America/Los_Angeles')."},"to_tz":{"type":"string","description":"IANA timezone for the output (e.g. 'Asia/Tokyo')."}},"required":["datetime","from_tz","to_tz"]},"input_example":{"datetime":"2026-05-08T12:00:00","from_tz":"America/Los_Angeles","to_tz":"Asia/Tokyo"},"output_example":{"from":{"datetime":"2026-05-08T12:00:00-07:00","tz":"America/Los_Angeles","utc_offset_minutes":-420},"to":{"datetime":"2026-05-09T04:00:00+09:00","tz":"Asia/Tokyo","utc_offset_minutes":540},"utc_iso":"2026-05-08T19:00:00.000Z","utc_offset_diff_hours":16,"source":"Intl.DateTimeFormat (built-in, IANA tzdata)"},"x402_payment_required":true,"x402_facilitator":"https://api.cdp.coinbase.com/platform/v2/x402"}