Is the Timezone Converter API MCP server free to use?

Yes. Timezone Converter API is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Is the Timezone Converter API MCP server free to use?

Yes. Timezone Converter API is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Timezone Converter API

Convert datetime between timezones. List all IANA zones. x402 micropayment.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

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Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

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claude_desktop_config.json

{
  "mcpServers": {
    "timezone-converter-api": {
      "command": "npx",
      "args": [
        "-y",
        "timezone-converter-api"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

Timezone Converter API

Convert datetime between timezones -- all IANA zones, UTC offset, DST-aware. ISO 8601 input/output. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

config.json

{
  "mcpServers": {
    "timezone-converter": {
      "url": "https://timezone-converter.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

Terminal

curl -X POST "https://timezone-converter.api.klymax402.com/api/convert" \
  -H "Content-Type: application/json" \
  -d '{"datetime":"...","from":"...","to":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

Tool	Method	Path	Price	Description
`utility_convert_timezone`	POST	`/api/convert`	$0.003	Convert a datetime between timezones

`utility_convert_timezone`

Use this when you need to convert a date/time from one timezone to another. Returns the converted datetime with offset data in JSON.

Parameters

Name	Type	Required	Description
`datetime`	string	yes	Date/time string (ISO 8601 or human-readable, e.g. '2024-01-15T14:30:00')
`from`	string	yes	Source IANA timezone (e.g. America/New_York)
`to`	string	yes	Target IANA timezone (e.g. Europe/Paris)

Example response:

config.json

{"originalDatetime":"2026-04-13T14:30:00","fromTimezone":"America/New_York","toTimezone":"Europe/Paris","convertedDatetime":"2026-04-13T20:30:00","utcOffset":"+02:00","abbreviation":"CEST","isDST":true}

When to use: scheduling meetings across timezones, converting log timestamps, coordinating international events, and displaying local times.

Not for: currency conversion (use finance_convert_currency), unit conversion (use utility_convert_units), weather data (use data_get_weather).

Example agent prompts

"Convert a date/time from one timezone to another"

Payment

Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
Network: Base L2 (eip155:8453)
Asset: USDC
Facilitator: Coinbase CDP (primary), PayAI (fallback)
Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

Catalog: https://klymax402.com/llms.txt
Full API reference: https://klymax402.com/llms-full.txt
Live stats: https://klymax402.com/stats

License

MIT

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Frequently Asked Questions about Timezone Converter API

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "timezone-converter-api": { "command": "npx", "args": ["-y", "Timezone Converter API"] } }

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Technical Specs & Signals

CategoryFinance & Fintech

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More in 💰 Finance & Fintech →Best MCP servers for Finance & Fintech →Alternatives to Timezone Converter API →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

Timezone Converter API

Convert datetime between timezones -- all IANA zones, UTC offset, DST-aware. ISO 8601 input/output. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

config.json

{
  "mcpServers": {
    "timezone-converter": {
      "url": "https://timezone-converter.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

Terminal

curl -X POST "https://timezone-converter.api.klymax402.com/api/convert" \
  -H "Content-Type: application/json" \
  -d '{"datetime":"...","from":"...","to":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

Tool	Method	Path	Price	Description
`utility_convert_timezone`	POST	`/api/convert`	$0.003	Convert a datetime between timezones

`utility_convert_timezone`

Use this when you need to convert a date/time from one timezone to another. Returns the converted datetime with offset data in JSON.

Parameters

Name	Type	Required	Description
`datetime`	string	yes	Date/time string (ISO 8601 or human-readable, e.g. '2024-01-15T14:30:00')
`from`	string	yes	Source IANA timezone (e.g. America/New_York)
`to`	string	yes	Target IANA timezone (e.g. Europe/Paris)

Example response:

config.json

{"originalDatetime":"2026-04-13T14:30:00","fromTimezone":"America/New_York","toTimezone":"Europe/Paris","convertedDatetime":"2026-04-13T20:30:00","utcOffset":"+02:00","abbreviation":"CEST","isDST":true}

When to use: scheduling meetings across timezones, converting log timestamps, coordinating international events, and displaying local times.

Not for: currency conversion (use finance_convert_currency), unit conversion (use utility_convert_units), weather data (use data_get_weather).

Example agent prompts

"Convert a date/time from one timezone to another"

Payment

Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
Network: Base L2 (eip155:8453)
Asset: USDC
Facilitator: Coinbase CDP (primary), PayAI (fallback)
Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

Catalog: https://klymax402.com/llms.txt
Full API reference: https://klymax402.com/llms-full.txt
Live stats: https://klymax402.com/stats

License

MIT

Frequently Asked Questions about Timezone Converter API

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "timezone-converter-api": { "command": "npx", "args": ["-y", "Timezone Converter API"] } }