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What is my birth chart?
Enter your birth details
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What the Sun, Moon, and Rising mean
A natal chart shows where the Sun, Moon, and planets were positioned from the location and local time of your birth. The Sun sign is only one part of the picture: the Moon describes another layer of your emotional patterns, the Ascendant or Rising sign depends strongly on timing and location, and the houses show the areas of life where placements are expressed. For a broader explanation of what a natal chart represents, see our Birth Chart (Natal Chart) guide.
Birth time and accuracy
Use your full birth date, including month, day, and year. Add your birth time as precisely as you can, including whether it was AM or PM, and select the place where you were born. The location helps determine coordinates and time-zone context. Accurate time is especially important for the Ascendant and houses because the eastern horizon changes throughout the day. It can also matter when the Moon or another planet is close to a sign boundary.
Without a birth time
If you do not know your birth time, you can still begin with the date and place, but treat the Rising sign and house positions as uncertain. A time estimate from family records or an official birth record may improve the result. When the time is missing, avoid treating time-sensitive details as definitive; slower-moving planetary sign placements are generally less affected than the Ascendant. Small differences between calculators can also come from time-zone records, rounding, house systems, or settings rather than a different sky.
What the Sun, Moon, and Rising mean
This tool calculates a natal chart, not current planetary transits. Natal placements stay tied to the moment of birth, while a transit chart compares the present sky with those birth positions. Leymora uses the tropical zodiac, the seasonal zodiac commonly used in Western astrology. It does not produce a Vedic or sidereal chart, which use a different zodiac framework. Once your results appear, start with the Sun, Moon, and Rising sign, then look at the planets in signs, houses, and the relationships between them. Read the chart as a connected pattern rather than reducing your personality to one placement.
Frequently asked questions
What does a birth chart calculator calculate?
A birth chart calculator calculates your natal planetary placements from your birth date, birth time, and birthplace. It can show the Sun, Moon, Rising sign, planets, and houses in the tropical Western zodiac. These are birth positions, not a forecast of the current sky or a daily horoscope.
Do I need my exact birth time to calculate my natal chart accurately?
You need an accurate birth time for the most reliable Rising sign and house positions. You can still calculate many planetary placements using your date and place, but an unknown or estimated time makes time-sensitive results less certain. Check official birth records or family documents if you need to verify it.
Is this birth chart calculator free?
Yes, this is a free online birth chart calculator. Enter your birth date, time, and place to generate one tropical natal chart and review its core placements. Free access does not make the chart Vedic or sidereal; Leymora uses the tropical Western zodiac for this tool.
What is the difference between a Western and Vedic birth chart calculator?
A Western birth chart calculator usually uses the tropical zodiac, while a Vedic birth chart calculator generally uses a sidereal zodiac and Jyotish conventions. Because the zodiac reference points and interpretive systems differ, the same birth details can produce different sign positions. This Leymora tool calculates tropical Western placements, not Vedic or sidereal ones.
How accurate is an online natal chart?
An online natal chart is as accurate as the birth information and astronomical time-zone data used to calculate it. Correct date, local time, birthplace, and AM/PM selection are important, especially for the Ascendant and houses. Differences between websites may reflect rounding, house systems, or historical time-zone settings rather than an incorrect calculation.