# Timezone Convert — MCP tool `findutils:timezone_convert`

Convert a datetime between IANA time zones. Uses the browser's/Node's Intl DB, so any well-formed zone name (America/New_York, Europe/Istanbul, Asia/Tokyo, UTC, etc.) works.

- Category: datetime
- MCP server: https://mcp.findutils.com/ (Streamable HTTP, no API keys, 120 req/min per IP)
- REST endpoint: POST https://api.findutils.com/api/tools/timezone-convert/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/timezone-convert/
- Same tool on the other surface: https://findutils.com/api/timezone-convert/

## Connect

```bash
claude mcp add findutils --transport http https://mcp.findutils.com/
```

Claude Desktop (`claude_desktop_config.json`):

```json
{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}
```

## Call the tool (verified example)

```bash
curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "timezone_convert",
      "arguments": {
        "datetime": "2026-04-18T10:00:00Z",
        "from_tz": "UTC",
        "to_tz": "Europe/Istanbul"
      }
    }
  }'
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `datetime` | string | yes | Input datetime (ISO 8601 preferred; anything Date.parse accepts works). |
| `from_tz` | string | yes | Source IANA zone. Ignored if datetime includes an offset. |
| `to_tz` | string | yes | Target IANA zone. |

Example arguments (verified):

```json
{
  "datetime": "2026-04-18T10:00:00Z",
  "from_tz": "UTC",
  "to_tz": "Europe/Istanbul"
}
```

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/timezone-convert/execute \
  -H "Content-Type: application/json" \
  -d '{
    "datetime": "2026-04-18T10:00:00Z",
    "from_tz": "UTC",
    "to_tz": "Europe/Istanbul"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/timezone-convert
```

Full REST reference: https://findutils.com/api/timezone-convert/ · OpenAPI 3.1 spec: https://findutils.com/api/openapi.json

---
Full catalog: POST https://mcp.findutils.com/ with method `tools/list` · https://findutils.com/mcp/ · https://findutils.com/llms.txt