Free tool · UK
Ascendant Calculator (UK): Find Your Rising Sign
Enter your birth date, time and place of birth in the UK (or anywhere else) to get your Rising sign (Ascendant)ACThe sign on the eastern horizon at the moment you were born. It is the part of the chart that moves fastest, so it depends most on the birth time.Learn more → and MidheavenMCThe highest point of the chart, the 10th-house cusp. Like the ascendant, it shifts quickly with the birth time.Learn more →. It uses the clock rules in force where and when you were born, and shows how long your rising sign lasted that day.
Narrow it down with your life events
A calculator needs a time. Our report works the other way round: it tests the possible times against the dated events of your life. We aren't taking UK orders yet; leave your email and we'll send one message when we open.
What the ascendant calculator shows
The rising sign, or ascendant, is the zodiac sign on the eastern horizon at the moment of birth. The Midheaven is the highest point of the chart, the cusp of the 10th house. Both come from your date, your time and the latitude and longitude of your birthplace.
The horizon turns through all twelve signs every day, so a rising sign lasts about two hours on average, less or more depending on the latitude and the season. That is why the calculator shows the stretch of the day in which your sign held. It says what each point is; it doesn't interpret it.
Born in the UK?
A full birth certificate in England and Wales normally doesn't show the time of birth, except for twins and other multiple births. Scotland is different. Read how to find your birth time in the UK and whether a birth certificate shows the time.
Short answers
- What do I need to calculate my rising sign?
- Your date, time and place of birth. The time matters most, because the rising sign changes about every 2 hours.
- What if I only know my birth time roughly?
- Use the free range check: enter the earliest and latest time that could be right and it lists every rising sign inside that range, with the time each one starts and ends.
- Does it allow for British Summer Time?
- The time you enter is read as the clock time at your place of birth in the UK, using the historical time zone rules for that date, including British Summer Time and the other changes to UK clocks over the years. If the clocks went forward and your time falls in the skipped hour, the calculator tells you.
More free tools
- Moon sign calculatorFind out if your birth time can change your Moon sign.
- Sun, Moon and rising calculatorThe big three, and which one depends on the time.
- Midheaven calculatorYour MC sign and how far it moves in two hours.
- Houses calculatorPlacidus cusps and the planets that change house.
- How to find your rising signThree ways, from a calculator to a range check.
- How to find out what time you were bornWhere to look for your birth time, and what to do if you can't find it.
- Birth chart without a birth timeWhat you can use and what needs the time.
- Free range checkEvery rising sign that fits inside a range of hours.
Want more than a range? See what a full report looks like in the sample report, or get notified when UK orders open.
Astrology is a symbolic practice, not a science. Your report gives the most consistent birth-time window for the events you share. It is not a certified birth time.