ChronoGate

Timezone and business-day truth for scheduling agents. Stop guessing DST and holidays.

ChronoGate is an agent-facing timezone / business-day MCP. We are not related to chronogate.io or any IoT/hardware product.

Try it

curl "https://chronogate-self.vercel.app/v1/now?tz=America/Chicago"
curl "https://chronogate-self.vercel.app/v1/convert?iso=2026-03-08T02:30:00&from=America/Chicago&to=UTC"
curl "https://chronogate-self.vercel.app/v1/resolve?expr=next%20Tuesday%203pm&tz=America/Chicago"
curl "https://chronogate-self.vercel.app/v1/business-day?date=2026-07-04&country=US"
curl "https://chronogate-self.vercel.app/v1/business-days/add?start=2026-07-02&days=3&country=US"

MCP

Remote MCP (Streamable HTTP, protocol 2025-06-18): https://chronogate-self.vercel.app/mcp

{"mcpServers":{"chronogate":{"url":"https://chronogate-self.vercel.app/mcp"}}}

Tools: now, convert, resolve_expression, is_business_day, add_business_days.

What you get

• Authoritative now in any IANA zone (offset + DST flag)
• Convert across zones with DST handled
• Resolve next Tuesday 3pm, tomorrow 9am, in N business days
• Business-day checks using weekends + Nager.Date public holidays (100+ countries)

Limits

Free: 200 calls/day per IP, no key needed. Over the limit → HTTP 402 JSON with a buy link. Paid: 20,000 calls for $5 (one-time; key shown after checkout; send Authorization: Bearer cg_…).