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Astrology: Calculators, Calendar and Ephemeris

Exact planetary positions and the key events in the sky: aspects, sign changes, moon phases and retrograde periods. The calendar covers 1900–2050, and every event comes with a plain explanation of what it means – including for people who are only just getting into astrology.

Today, August 9
Moon in Gemini Waning Crescent, 13% lit The mind runs fast and the day splits into many small errands.
Sun in Leo
Retrograde: Pluto Neptune Saturn Chiron
2026 Astrology Calendar →

Astrology Calendars and Calculators

Monthly Astrology Calendar Day by day, with exact aspect times, moon phases, sign changes, eclipses and void-of-course windows. Open August 2026 → Today in the Sky What is actually happening today: aspects with exact times, every planet's position at midnight, and the mood the Moon sets. See today → Yearly Astrology Calendar The whole year on one page: eclipses, retrogrades, planets changing signs, new and full moons. Every line comes with a chart of the sky at that moment. Open 2026 → Current Planets Where every planet is right now – its position, its speed, whether it is retrograde – plus the aspects in force and a chart of the sky. See it now → ℞ Retrograde Planets Who is moving backward today, and every period for each planet – with exact station times and the shadow periods. All planets → Eclipses Every solar and lunar eclipse, year by year: type, zodiac degree, magnitude and saros number. Eclipse calendar → Void of Course Moon Whether a void period is running right now, and the schedule a month ahead: when it is better not to start anything. See the schedule → New and Full Moons A separate calendar of the key lunar phases, year by year: exact time, sign, eclipses and a chart of the sky. Pick a year → Planet in Sign – Every Period 120 combinations from Sun in Aries to Pluto in Pisces: every period from 1900 to 2050, with what each one means. Pick a combination → Ephemeris Daily positions of the Sun, Moon and planets in table form – Eastern Time and 0h UT, tropical and sidereal zodiac. Open the tables → Ephemeris Search The calendar question in reverse: when did a planet enter a sign, turn retrograde, or make an exact aspect. Find the date → Moon Search When the Moon is in the sign you need, when the new and full moons fall, when the void periods run and when the eclipses are. Search by the Moon → Transits to Your Chart The real question you bring to any calendar: does this touch me? Enter your birth date and see which planets are crossing your degrees now, and when the angle goes exact. Calculate from your birth date → Saturn Return and Your Cycles When your Saturn return was and will be, your Jupiter returns every 12 years, the Uranus opposition and the Chiron return – with exact dates, not "somewhere around 29". Find your dates → The Sky on Your Birthday What the sky looked like on any day since 1900: the Moon's sign and phase, every planet's position, and the aspects of that day. Pick a date → Free Birth Chart How that same sky looks from where you were born – from your date, time and place of birth. Calculate → How We Calculate How the math works, where the dates come from, and why different sites sometimes disagree about them. About accuracy →

Calendar by Year and Month

The calendar covers 1900–2050. The nearest years are below; the full range lives in the calendar.

2023
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2024
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2025
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2026
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2027
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2028
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

All calendars, 12 months and the 1900–2050 archive →

How This Calendar Is Calculated

Source NASA JPL DE440 Verifiable ephemerides from NASA's Jet Propulsion Laboratory.
Zodiac Tropical Signs are measured from the point of the spring equinox.
Time Eastern Time (ET) You can switch time zones in the panel above the calendar.
Accuracy To the second Exact times for key events are verified to the second.

If you are comparing dates with another calendar and see a gap of a few hours, check the time zone: the default here is Eastern Time. You can switch it in the panel above the tables.

More on our method and how we verify it → This section is written by , astrologer at 1001 Horoscopes.

What to Read Next

Free Birth Chart The same sky, but yours: from your date, time and place of birth Zodiac Signs Character, compatibility and the long read on every sign Love Compatibility How two signs actually get along – and where they rub Daily Horoscope Today and tomorrow for your sign, updated every morning Marta Winter Astrologer and author behind the 1001 Horoscopes astrology section