# Lunonis > Lunonis (lunonis.com) is an astrology site: a free natal chart calculator with Sun, Moon and Rising, planets in signs > and houses and aspects, free sign calculators, the Destiny Matrix (22 arcana numerology from the birth date), Tarot, > and personal PDF books and forecasts written for each chart. Charts are calculated in-house (tropical zodiac). Languages: en, es, pt, fr, de, it, pl, tr, ja, zh, uk. Destiny Matrix, Tarot and the subscription plans: en, pt, es, fr, de, it, tr, uk. ## URLs per language English has no prefix (https://lunonis.com/saturn-return-calculator). Every other language lives under // and most tool, blog and horoscope slugs are translated, so the path differs per language: the Saturn return calculator is es: https://lunonis.com/es/retorno-de-saturno · pt: https://lunonis.com/pt/retorno-de-saturno · fr: https://lunonis.com/fr/retour-de-saturne · de: https://lunonis.com/de/saturn-rueckkehr · it: https://lunonis.com/it/ritorno-di-saturno · pl: https://lunonis.com/pl/powrot-saturna · tr: https://lunonis.com/tr/saturn-donusu · ja: https://lunonis.com/ja/saturn-return-calculator · zh: https://lunonis.com/zh/saturn-return-calculator · uk: https://lunonis.com/uk/povernennia-saturna. The big guides (planets, houses, aspects, signs, compatibility, birthday) exist in English only; the Destiny Matrix keeps one slug in every language (https://lunonis.com/pt/destiny-matrix). ## Free tools No account is needed for any of them. Birth-time policy is stated for each tool. - [Birth chart calculator](https://lunonis.com/birth-chart-calculator): full natal chart from date, time and place of birth. Birth time: needed for the Rising sign, houses and Midheaven; without it the chart is shown without them, never guessed. - [Rising sign calculator](https://lunonis.com/rising-sign-calculator): Ascendant, Midheaven and houses. Birth time: required. Without it there is no reliable Ascendant (it changes sign about every two hours), so it is left out. - [Moon sign calculator](https://lunonis.com/moon-sign-calculator): Moon sign and degree. Birth time: optional; asked for only when the Moon changed sign on the birthday. - [Venus sign calculator](https://lunonis.com/venus-sign-calculator): Venus sign and degree. Birth time: optional; asked for only when Venus changed sign around the birthday. - [Mars sign calculator](https://lunonis.com/mars-sign-calculator): Mars sign and degree. Birth time: optional; asked for only when Mars changed sign around the birthday. - [Mercury sign calculator](https://lunonis.com/mercury-sign-calculator): Mercury sign and degree. Birth time: optional; asked for only when Mercury changed sign around the birthday. - [North Node calculator](https://lunonis.com/north-node-calculator): North and South Node signs (mean node). Birth time: optional; asked for only when the node changed sign around the birthday. - [Black Moon Lilith calculator](https://lunonis.com/black-moon-lilith-calculator): Lilith sign (mean lunar apogee). Birth time: optional; asked for only when Lilith changed sign around the birthday. - [Midheaven calculator](https://lunonis.com/midheaven-calculator): Midheaven (MC) sign and degree. Birth time and city: required; the Midheaven changes sign about every two hours and is never guessed. - [Saturn return calculator](https://lunonis.com/saturn-return-calculator): dates of the first and second Saturn return (about age 29-30 and 58-60) with every pass. Birth time: optional; the date alone gives the dates within days, time and city make them exact. - [Life path number calculator](https://lunonis.com/life-path-number-calculator): numerology life path number with the working, master numbers 11, 22, 33 kept. Birth time: not used; date of birth only. - [Compatibility calculator](https://lunonis.com/compatibility-calculator): synastry of two charts, counted aspects, no score. Birth times: optional; without one that person's Rising sign is left out. - [Personal horoscope](https://lunonis.com/personal-horoscope): the transits to your own chart for the next 30 days. Birth time: optional; without it the Rising sign, Midheaven and houses are left out. - [Destiny Matrix calculator](https://lunonis.com/destiny-matrix): the 22-arcana matrix from a birth date. Birth time: not used; date of birth only (day, month, year). - [Tarot](https://lunonis.com/tarot): card of the day and a free three-card spread ## Destiny Matrix - [Calculator](https://lunonis.com/destiny-matrix): date of birth only, free; the common 22-arcana octagram, calculated by our own code - Arcana pages, one per arcanum: https://lunonis.com/destiny-matrix/ with one of: magician, high-priestess, empress, emperor, hierophant, lovers, chariot, justice, hermit, wheel-of-fortune, strength, hanged-man, death, temperance, devil, tower, star, moon, sun, judgement, world, fool ## Products - [Plans](https://lunonis.com/plans): Astrology, Destiny Matrix, Tarot and All Access subscriptions - [Books](https://lunonis.com/books): personal natal chart books (PDF) - [Forecasts](https://lunonis.com/forecasts): the month and the year ahead - [Posters](https://lunonis.com/posters): chart posters - [Gift](https://lunonis.com/gift): a book, poster or forecast can be given through a private link, so the giver needs no birth details (the recipient adds their own); gift vouchers are $10 / $20 / $30 - [Pricing (plain text)](https://lunonis.com/pricing.md) ## AI assistants and developers - [MCP server](https://lunonis.com/mcp): a free remote Model Context Protocol server (Streamable HTTP, no auth, read-only, nothing stored) with tools natal_chart, search_places and compatibility; documented at [https://lunonis.com/developers/mcp](https://lunonis.com/developers/mcp) - [Use Lunonis in ChatGPT and Claude](https://lunonis.com/ai): how to get a birth chart inside an AI assistant (English; also /pt/ai and /es/ai) - [Custom GPT Action spec](https://lunonis.com/gpt/openapi.json): OpenAPI 3.1 for GET https://lunonis.com/api/gpt/chart and GET https://lunonis.com/api/gpt/places, the same calculation as the MCP tools ## Reading - [Blog](https://lunonis.com/blog): astrology articles (blog index; posts and categories are linked from it) ## Compare - [Astrology app alternatives](https://lunonis.com/alternatives): honest comparisons with Co-Star, Astro.com, CHANI, The Pattern, TimePassages and Nebula (prices, languages, free charts) ## About - [How we calculate](https://lunonis.com/how-we-calculate): ephemeris, house systems and method - [About](https://lunonis.com/about) - [Reviews](https://lunonis.com/reviews) - [Refunds](https://lunonis.com/refunds)