Timezone Truth

Official registry Maps, travel and weather

Convert times between IANA zones and detect skipped or ambiguous DST local times.

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code
claude mcp add --transport http timezone-truth 'https://timezone-truth.gumballtools.com/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code)
{
    "mcpServers": {
        "timezone-truth": {
            "type": "http",
            "url": "https://timezone-truth.gumballtools.com/api/mcp"
        }
    }
}

Frequently asked questions

What is Timezone Truth?

Convert times between IANA zones and detect skipped or ambiguous DST local times.

How do I install Timezone Truth?

It runs as a remote server. In Claude Code: claude mcp add --transport http timezone-truth 'https://timezone-truth.gumballtools.com/api/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Timezone Truth need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is Timezone Truth open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Timezone Truth?

It is published by bwalvoord. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.