Moon Phase & Zodiac Sign Finder – Current & Future

The Moon goes through 8 distinct phases: New Moon (not visible), Waxing Crescent, First Quarter (half-lit right side), Waxing Gibbous, Full Moon (fully illuminated), Waning Gibbous, Last Quarter (half-lit left side), and Waning Crescent. This full cycle takes about 29.53 days — a synodic month.

In astrology, the Moon moves through each zodiac sign roughly every 2.3 days. The sign the Moon occupies influences our emotional landscape, instincts, and subconscious reactions. For example, Moon in Leo boosts confidence and creativity, while Moon in Pisces heightens intuition and empathy. Many people use this to time important activities or understand their mood patterns.

This tool uses a well-established astronomical algorithm based on the synodic month of 29.53058867 days, referenced from the known New Moon of January 6, 2000. The illumination percentage and Moon age are accurate to within ±30 minutes for dates between 1900 and 2100. The zodiac sign is derived from the Moon's mean ecliptic longitude, accurate to within about 1–2 degrees.

Waxing means the illuminated portion is growing (from New Moon to Full Moon). The lit side appears on the right in the Northern Hemisphere. Waning means the illuminated portion is shrinking (from Full Moon to New Moon), with the lit side appearing on the left. This cycle repeats every 29.53 days.

The Moon travels through all 12 zodiac signs in about 27.3 days (a sidereal month). This means it spends approximately 2.3 days (about 55 hours) in each sign. However, due to the Moon's elliptical orbit, this can vary slightly — from about 2.1 to 2.5 days per sign.

It depends on the phase: New Moon rises at sunrise and sets at sunset (hard to see). First Quarter rises around noon and sets around midnight — visible in the afternoon and evening. Full Moon rises at sunset and sets at sunrise — visible all night. Last Quarter rises around midnight and sets around noon — best seen in the early morning hours.

Yes! Use the date picker or navigation arrows to browse any date between 1900 and 2100. The tool instantly calculates the Moon phase and zodiac sign for any selected date. The "Next Full Moon" and "Next New Moon" cards also show you the closest upcoming events relative to your selected date.

Moon Age is the number of days since the last New Moon. A New Moon has an age of 0 days, a First Quarter Moon is about 7.4 days old, a Full Moon is about 14.8 days old, and a Last Quarter is about 22.1 days old. The complete cycle resets at 29.53 days when the next New Moon occurs.

The Moon's ecliptic longitude (0°–360°) determines which zodiac constellation it appears in front of from Earth's perspective. Each zodiac sign spans exactly 30 degrees along the ecliptic. Unlike the Sun which stays in each sign for about a month, the Moon zips through all 12 in under 28 days. Astronomically, the Moon can appear in 13 constellations including Ophiuchus, but traditional astrology uses the 12-sign system.

In the Southern Hemisphere, the Moon appears "upside down" compared to the Northern Hemisphere view. The waxing crescent is lit on the left side instead of the right, and the Moon's features like craters and maria appear inverted. This is simply due to the observer's orientation relative to the ecliptic plane — the Moon itself hasn't changed!