13cal.net

13cal.net is a digital platform dedicated to the 13-month fixed calendar, also known as the International Fixed Calendar. The service provides tools for date conversion between Gregorian and the 13-month system, lunar phase tracking, and perpetual weekday synchronization. It serves users seeking an alternative scheduling structure with equal 28-day months for simplified planning and financial consistency.

LLM mention score

Normalized 0–100 · last 8 weeks

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Get access to the structured data on keyword, brand, and website mentions in LLMs, including metrics like AI search volume, impressions, and mentions count.

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How to get LLM mention data →

// Fetch 13cal.net mentions
POST v3/ai_optimization/llm_mentions/search/live
[
    {
        "target": [
            {
                "keyword": "13cal.net",
                "search_scope": ["any"]
            }
        ],
        "platform": "chat_gpt",
        "order_by" : ["ai_search_volume,desc"]
    }
]