Hellenistic whole-sign astrologyBirth ChartStart with your local birth time and birthplace. Explore the Sun, Moon, rising sign, planets, houses, and the angles between them.How to read a birth chart →Start with a known birth timeHouses and rising signs need a recorded time and birthplace. If the time is unknown, try the date-only natal moon estimate.Try a fictional exampleYour birth detailsBirth dateLocal birth timeUse the time recorded at the birthplace.Search the birth cityFind citySearch sends only the place name to Open-Meteo. Your birth date, time, and name stay in this tab. Enter coordinates below to skip city search.Enter or edit coordinates manuallyPlace label (optional)LatitudeLongitudeBirthplace timezoneUse the IANA region for the birthplace, not your current location. The date determines its historical UTC offset, including daylight saving.Calculate birth chartResetCalculations run in this browser. Your entries and results are not saved to your account or added to the page address. Reset clears them from this tool. City lookup is optional and sends only the search text to Open-Meteo.Enable JavaScript to calculate a chart privately in your browser.Compare two chartsDate-only natal moonThe moon nowAll tools