AstroDiem

Understand your sky.

Daily horoscopes grounded in real transit data, precise astrology calculators, and clear knowledge for reading the sky with intention.

Read today’s horoscope Open birth chart

AriesMar 21 – Apr 19 TaurusApr 20 – May 20 GeminiMay 21 – Jun 20 CancerJun 21 – Jul 22 LeoJul 23 – Aug 22 VirgoAug 23 – Sep 22 LibraSep 23 – Oct 22 ScorpioOct 23 – Nov 21 SagittariusNov 22 – Dec 21 CapricornDec 22 – Jan 19 AquariusJan 20 – Feb 18 PiscesFeb 19 – Mar 20

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Astrology tools

Calculators built for clarity — start with the birth chart, then explore individual placements.

Flagship tool

Birth Chart Calculator

Map your planets, angles, and houses into a natal chart.

Calculate birth chart

Includes planets, angles, houses, and an SVG natal wheel.

Sun Sign Calculator

Find your Sun sign from your birth date.

Moon Sign Calculator

Calculate your Moon sign with birth date and time.

Rising Sign Calculator

Find your Ascendant from exact birth time and place.

Mercury Sign Calculator

Locate Mercury in your natal chart.

Venus Sign Calculator

Find Venus and its relational tone in your chart.

Mars Sign Calculator

Calculate Mars and how you pursue what you want.

Browse all calculators

Learn the language of the sky

From zodiac signs to planetary symbolism, AstroDiem keeps educational astrology in the same calm editorial system as horoscopes and tools.

Explore zodiac signs Astrology guides