Use Calendar Converter with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Convert dates between 15+ calendar systems including Gregorian, Chinese, Persian, and Japanese Era.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete Calendar Converter capability set.
These are the exact actions your AI can choose when you ask it to work with Calendar Converter.
01-03
3 capabilities in this set.
Part of 3 available through Calendar Converter.
- 01
Get calendar context
Do NOT use for timestamp conversion. Get metadata for a specific year in a calendar system
- 02
Convert to unix
Do NOT use if you already have the timestamp. Convert a date in a specific calendar to Unix timestamp
- 03
Expand unix
Do NOT use for simple date formatting. Expand a Unix timestamp into multiple calendars
Observed, not estimated
636ms average. Fast in production.
Calendar Converter is checked daily against the live service.
- Fastest day
- 486ms
- Slowest day
- 846ms
- 14-day trend
- Slowing+22%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Calendar Converter, so you can see the experience inside your AI.
It does not authenticate your account with Calendar Converter. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Calendar Converter Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_6jEB8BUfOdKHRxofu354mRVr81XKAsQikqJi5m4v/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Calendar Converter capabilities are ready to use.
{
"mcpServers": {
"calendar-converter-mcp": {
"url": "https://edge.vinkius.com/vk_preview_6jEB8BUfOdKHRxofu354mRVr81XKAsQikqJi5m4v/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Calendar Converter owners ask.
- 01
Which calendar systems are supported?
The server supports over 15 systems, including Gregorian, Julian, Islamic (Hijri), Hebrew, Persian (Solar Hijri), Buddhist, Chinese, Ethiopian, Coptic, Indian National, Japanese Era, Thai Solar, and Unix timestamps.
- 02
How can I see the Chinese Zodiac for a specific year?
You can use the get_calendar_context capability with calendarType set to 'chinese' and provide the desired year.
- 03
Can I convert a Unix timestamp to multiple calendars at once?
Yes, by using the expand_unix capability and providing a JSON array of the target calendar types you wish to expand into.
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