What is my rising sign?
The Ascendant is the ecliptic degree rising on the eastern horizon at birth. It needs a clock time — a twenty minute error can move it five degrees.
Rising needs a birth time. Calculate to draw the eastern horizon.
What the rising sign is
The rising sign is the zodiac sign that was coming up over the eastern horizon at the moment of birth. It depends on latitude, longitude and clock time, not just the date. SideraChart computes it from local sidereal time and the same tropical ephemeris as the natal chart.