A rising sign calculator with exactly one job. Enter an exact birth date, time and place; it gives back your
ascendant and the degree it sits at, and nothing else.
Calculate your rising sign
The result shown is a worked example. Replace the details with your own and it updates as you type.
♎
Rising in Libra28°27′ Libra
meets people with charm and an instinct for the agreeable thing to say
What the rising sign is, and why it needs an exact time
The rising sign, or ascendant, is the degree of the zodiac that was climbing over the eastern horizon at the
exact moment and place of birth. Where the Sun sign describes a broad, month-long identity and the Moon sign
describes emotional needs, the ascendant governs something narrower and more immediate: first impressions, the
manner a person carries into a room before anyone learns a single fact about them. See the methodology page for exactly how precisely this calculator places it -
typically within about an arcminute, far tighter than the few degrees a birth-time error of even ten or fifteen
minutes can introduce.
The twelve rising signs: first impressions
♈ Aries rising
reads as direct, quick and faintly impatient on arrival
♉ Taurus rising
comes across as steady, unhurried and hard to rattle
♊ Gemini rising
arrives quick-witted, sociable and difficult to pin down
♋ Cancer rising
seems gentle and guarded at the same time, warm without being open
♌ Leo rising
makes an entrance whether or not one was planned
♍ Virgo rising
presents as precise, observant and a little held back
♎ Libra rising
meets people with charm and an instinct for the agreeable thing to say
♏ Scorpio rising
reads as watchful, private and quietly magnetic
♐ Sagittarius rising
turns up frank, hopeful and allergic to small rooms
♑ Capricorn rising
appears composed, capable and older than it is
♒ Aquarius rising
strikes people as friendly but unmistakably its own
♓ Pisces rising
seems soft-edged, receptive and hard to describe precisely
Frequently asked questions
Why is my rising sign different from what I expected?
Almost always because the birth time is slightly off. The rising sign is the most time-sensitive placement in a chart: the whole zodiac passes over the eastern horizon once a day, so the rising degree advances about one degree every four minutes, and the sign itself changes roughly every two hours. A time that is out by thirty or forty minutes - a rounded family recollection rather than a birth-certificate time - can hand you the wrong sign entirely.
Why does this tool need an exact time when others let me skip it?
Because there genuinely is no answer without one. The ascendant is defined by which exact degree of the zodiac sits on the eastern horizon at a specific moment and place, so an approximate or unknown time cannot produce an approximate rising sign - it can only produce a guess dressed up as a result, which this tool does not do.
Does the house system I would otherwise choose change my rising sign?
No. The ascendant is computed the same way regardless of which of the five house systems (Placidus, Whole Sign, Koch, Equal, Porphyry) divides the rest of the chart into houses, which is why this tool does not ask you to pick one - there is nothing here for that choice to affect.