HinduCalendar

endpoint

https://hinducalendar.app/mcp

protocol

streamable-http ·2025-06-18

authentication

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public key

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karma

0 · newcomer

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• get_panchang unknown never probed

  Full daily panchang for a date and place — computed by the same panchang-core engine the HinduCalendar Android app ships, so the values are identical to the app (not an approximation). Returns the five limbs at sunrise (tithi, nakshatra, yoga, karana, vaar) each with its END TIME, paksha, lunar month in both amavasyant and purnimant conventions (with adhik maas flag), Vikram/Shaka/Kali/Gujarati samvat years, samvatsara names, ritu (season), ayana (Uttarayan/ Dakshinayan), sun/moon rashi with next-transit time, and sunrise/sunset/ moonrise/moonset. This is also the Gregorian→Hindu date converter: the masa + paksha + tithi + samvat fields ARE the Hindu date. (For Hindu→Gregorian, use the Kaalshodh MCP server's find_matching_dates.) Example questions: "what is the tithi today in Delhi?", "when does Ekadashi end tomorrow?", "what is today's date in Vikram Samvat?", "which Hindu month is it?". Args: date: Gregorian date, YYYY-MM-DD. Default location is Ujjain; pass lat/lon/tz for other places. lat, lon: Location in decimal degrees. tz: IANA timezone name ("Asia/Kolkata") or a numeric UTC offset in hours ("5.5"). ayanamsa: "Lahiri" (default) or "Sayan". lang: Language for names — "en", "hi", and the app languages (mr, gu, bn, ta, te, kn, ml, sa) plus "en-iast".

  mcp-tool

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  {
    "type": "object",
    "title": "get_panchangArguments",
    "required": [
      "date"
    ],
    "properties": {
      "tz": {
        "type": "string",
        "title": "Tz",
        "default": "Asia/Kolkata"
      },
      "lat": {
        "type": "number",
        "title": "Lat",
        "default": 23.15
      },
      "lon": {
        "type": "number",
        "title": "Lon",
        "default": 75.7667
      },
      "date": {
        "type": "string",
        "title": "Date"
      },
      "lang": {
        "type": "string",
        "title": "Lang",
        "default": "en"
      },
      "ayanamsa": {
        "type": "string",
        "title": "Ayanamsa",
        "default": "Lahiri"
      }
    }
  }

  arguments 38 lines copy
• get_festival_dates unknown never probed

  Exact dates of major Hindu festivals for any year, computed live by the same engine the HinduCalendar app uses — never guess a festival date, always use this. Covers the tithi-anchored festivals (Diwali, Holi, Krishna Janmashtami, Ganesh Chaturthi, Rama Navami, Maha Shivaratri, Raksha Bandhan, Dhanteras, Karva Chauth, Chhath, Vasant Panchami, Gudi Padwa, Akshaya Tritiya, the purnimas, Navratri from Ghatasthapana through Vijayadashami) *and* the ones no tithi rule can express: solar ingresses (Makar Sankranti — also Pongal, Uttarayan, Maghi; Mesha Sankranti — also Vishu, Baisakhi, Puthandu), nakshatra-dated observances (Onam, the Jyeshtha Gauri triad), weekday series (Shravan Somwar, Mangala Gauri), and the Puri Jagannath sequence (Snana Yatra, Rath Yatra, Hera Panchami, Bahuda Yatra, Suna Besha, Niladri Bije). Every result carries `date` and a plain-language `rule` saying how that date is fixed, usually with a `why` explaining it, plus regions, traditions, cluster and related festivals where they are recorded. Tithi-anchored festivals also carry `masa`/`paksha`/`tithi`; solar and nakshatra ones do not, because they have none. Two results are not single days: • one that recurs within the year (Shravan Somwar is four or five Mondays) carries `dates` with every occurrence — `date` is the first; • a multi-day observance (Ganeshotsav, Navratri) carries `end_date` and `days`. Example questions: "when is Diwali in 2027?", "what date was Holi in 1962?", "list all festivals in 2026", "when is Onam?", "which Mondays are Shravan Somwar this year?". Args: year: Gregorian year. festival: Optional name filter — fuzzy, and matches popular and regional aliases plus Devanagari ("Diwali", "Dussehra", "Rakhi", "Pongal", "Vishu", "दिवाली"). A sequence name ("Navratri", "Ganeshotsav", "Rath Yatra") returns every festival in that sequence. lat, lon, tz_offset_hours: Location (default Ujjain, the canonical reference). Festival days can shift by location; for a user's city pass their coordinates.

  mcp-tool

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  {
    "type": "object",
    "title": "get_festival_datesArguments",
    "required": [
      "year"
    ],
    "properties": {
      "lat": {
        "type": "number",
        "title": "Lat",
        "default": 23.15
      },
      "lon": {
        "type": "number",
        "title": "Lon",
        "default": 75.7667
      },
      "year": {
        "type": "integer",
        "title": "Year"
      },
      "festival": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "title": "Festival",
        "default": null
      },
      "tz_offset_hours": {
        "type": "number",
        "title": "Tz Offset Hours",
        "default": 5.5
      }
    }
  }

  arguments 40 lines copy
• get_muhurat_windows unknown never probed

  Dated windows of the auspicious muhurta yogas and the observance periods — the "when are the vivah muhurats in 2026?" and "when is Chaturmas?" family. Computed live by panchang-core's MuhurtaFinder, the same engine behind the app's Muhurta Finder and the hinducalendar.app muhurat pages. Twenty presets in two categories: • yoga — Sarvarth Siddhi, Amrit Siddhi, Guru Pushya, Ravi Pushya, Ravi, Dwipushkar, Tripushkar, Siddha, Amrita, Vivaah Muhurat. Intra-day windows, often several a week. • period — Chaitra / Sharad / Gupta Navratri (Ashadha and Magha), Chaturmas, Pitru Paksha, Holashtak, Panchak, Gand Mool, Kharmas. Multi-day observances and blackout spans. Each window has a `start` and `end` in ISO 8601 carrying the requested place's UTC offset ("2026-01-14T15:05:00+05:30"), so they read directly as the local time the muhurat is kept by. Asking for everything in a year matches ~600 windows, so an unnarrowed request answers with per-preset counts and says so (`windows_omitted`). Name a muhurat or pass a month to get the actual times — a single named muhurat always returns its windows in full. Example questions: "vivah muhurat dates in 2026", "when is Pitru Paksha this year?", "Sarvarth Siddhi yoga in November 2026", "when does Chaturmas start?", "list the Panchak periods in 2027", "is there a Guru Pushya yoga next month?". Args: year: Gregorian year. muhurat: Optional name filter — fuzzy, matches slug, English and Hindi names ("vivaah", "sarvarth siddhi", "गुरु पुष्य"). category: Optional — "yoga" or "period". month: Optional 1..12, to narrow within the year. lat, lon, tz_offset_hours: Location (default Ujjain, the canonical reference). These windows are rise/set and panchang dependent, so they do shift with location. lang: Language for names — "en" (default) or "hi".

  mcp-tool

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  {
    "type": "object",
    "title": "get_muhurat_windowsArguments",
    "required": [
      "year"
    ],
    "properties": {
      "lat": {
        "type": "number",
        "title": "Lat",
        "default": 23.15
      },
      "lon": {
        "type": "number",
        "title": "Lon",
        "default": 75.7667
      },
      "lang": {
        "type": "string",
        "title": "Lang",
        "default": "en"
      },
      "year": {
        "type": "integer",
        "title": "Year"
      },
      "month": {
        "anyOf": [
          {
            "type": "integer"
          },
          {
            "type": "null"
          }
        ],
        "title": "Month",
        "default": null
      },
      "muhurat": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "title": "Muhurat",
        "default": null
      },
      "category": {
        "anyOf": [
          {
            "type": "string"
          },
          {
            "type": "null"
          }
        ],
        "title": "Category",
        "default": null
      },
      "tz_offset_hours": {
        "type": "number",
        "title": "Tz Offset Hours",
        "default": 5.5
      }
    }
  }

  arguments 69 lines copy
• get_birth_details unknown never probed

  Return birth star (nakshatra), birth name syllable (naam akshar / pada), Chandra rashi (Moon sign), and Lagna rashi (ascendant sign) for a child born at the given time and location — all from the app's own engine, so they match the HinduCalendar app's kundali exactly. Args: time: ISO 8601 datetime of birth (e.g. "2025-08-15T10:30:00Z"). Include timezone offset if known (e.g. "2025-08-15T10:30:00+05:30"). lat: Latitude of birth place in decimal degrees (e.g. 28.6139 for Delhi). lon: Longitude of birth place in decimal degrees (e.g. 77.2090 for Delhi). ayanamsa: "Lahiri" (Vedic sidereal, default) or "Sayan" (tropical). Returns: Dict with: - time (ISO) - ayanamsa - nakshatra: { index (1–27), name } - pada: { index (1–4), overall_index (1–108), naam_akshar (birth name syllable) } - chandra_rashi: { index (1–12), name } ← Moon sign - lagna_rashi: { index (1–12), name } ← Ascendant sign Plus a rendered South Indian kundali chart (PNG image).

  mcp-tool

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  {
    "type": "object",
    "title": "get_birth_detailsArguments",
    "required": [
      "time",
      "lat",
      "lon"
    ],
    "properties": {
      "lat": {
        "type": "number",
        "title": "Lat"
      },
      "lon": {
        "type": "number",
        "title": "Lon"
      },
      "time": {
        "type": "string",
        "title": "Time"
      },
      "ayanamsa": {
        "type": "string",
        "title": "Ayanamsa",
        "default": "Lahiri"
      }
    }
  }

  arguments 28 lines copy
• get_muhurta unknown never probed

  Muhurta for a moment and place, exactly as the HinduCalendar app computes it — and, with full_day=True, the whole day's grid. By default returns only what is ACTIVE at the instant given: - Current lagna (ascendant sign active at that moment) - Current choghadiya (day or night slot) - Current hora (planetary hour) - Any ongoing special muhurtas (Rahu Kalam, Yama Ghanta, Guli Kalam, Abhijit, Dur Muhurt, Pradosh, Varjyam, Panchak, Gandmool) Set full_day=True to also get every window of the panchang day (sunrise to next sunrise) containing that instant — the complete choghadiya and hora grids (day and night), all lagna periods, and every special muhurta with its start and end. Use it for "when is Rahu Kalam today?", "list today's choghadiya", "when is Abhijit muhurat?" — questions the instant-only view cannot answer without guessing the time. Sunrise/sunset, lagna transitions and every special muhurta come from panchang-core (the app's engine); choghadiya/hora are pure rise/set arithmetic driven by the engine's times and weekday. For multi-day observance periods and auspicious-yoga windows (Vivaah muhurat, Sarvarth Siddhi, Pitru Paksha, Chaturmas, Panchak…) use get_muhurat_windows instead — this tool covers a single day. Args: time: ISO 8601 datetime (e.g. "2025-08-15T10:30:00+05:30"). If no timezone is given, UTC is assumed. lat: Latitude in decimal degrees. lon: Longitude in decimal degrees. lang: Language for names — "en" (default) or "hi". full_day: Include the whole day's grids, not just what is active now. Returns: Dict with sunrise, sunset, current_lagna, current_choghadiya, current_hora, and ongoing_muhurtas — plus choghadiya, hora, lagna and muhurtas when full_day is set.

  mcp-tool

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  {
    "type": "object",
    "title": "get_muhurtaArguments",
    "required": [
      "time",
      "lat",
      "lon"
    ],
    "properties": {
      "lat": {
        "type": "number",
        "title": "Lat"
      },
      "lon": {
        "type": "number",
        "title": "Lon"
      },
      "lang": {
        "type": "string",
        "title": "Lang",
        "default": "en"
      },
      "time": {
        "type": "string",
        "title": "Time"
      },
      "full_day": {
        "type": "boolean",
        "title": "Full Day",
        "default": false
      }
    }
  }

  arguments 33 lines copy

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