Moon in Tempe Today — Waning Gibbous

Tonight the moon in Tempe is in the Waning Gibbous phase. It is 80% illuminated and 19.1 days into the current lunar cycle. Moon phases are the same worldwide — only the exact local clock time of moonrise and moonset differs by location.

The next full moon occurs on 2026年5月30日, which is 26 days from today. During a full moon the Moon is 100% illuminated as seen from Earth.

The next new moon occurs on 2026年5月15日, in 11 days. The new moon marks the start of a fresh 29.5-day lunar cycle and is not visible in the night sky.

A lunar (synodic) cycle lasts approximately 29 days, 12 hours, 44 minutes — or 29.53 days. It runs from one new moon to the next, passing through 8 distinct phases: New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, and Waning Crescent.

No — the moon phase (the fraction of the Moon illuminated) is the same everywhere on Earth at any given moment. However, moonrise and moonset times, as well as the moon's altitude in the sky, vary by location. The moon also appears upside-down in the Southern Hemisphere compared to the Northern Hemisphere.

The moon rises at approximately 22:27 local time in Tempe tonight. Moonrise shifts about 50 minutes later each night as the Moon moves eastward along its orbit, completing a full cycle roughly every 29.5 days.

The next full moon on 2026年5月30日 is known as the Flower Moon. These traditional names — originating with Native American tribes and later adopted in the Farmer's Almanac — each reflect a seasonal event or natural phenomenon of that month visible from the Northern Hemisphere.

The Moon is currently at approximately 405,276 km — on the far side of its orbit (apogee), making it a micromoon. It appears slightly smaller than average. A supermoon occurs when the full moon coincides with perigee, bringing the Moon within roughly 360,000 km of Earth. The Moon's distance varies between ~356,500 km (perigee) and ~406,700 km (apogee).

From Tempe at 33.4°N latitude, the full moon's maximum altitude above the horizon varies by season. In the local hemisphere's winter — when the full moon is opposite a low winter sun — it can reach roughly 80° above the horizon. In summer it arcs lower, around 33°. This seasonal variation is the same reason the sun is high in summer and low in winter.

The Moon's phase is identical everywhere on Earth simultaneously. However, its orientation in the sky differs by hemisphere: in the Northern Hemisphere the waxing crescent curves to the left; in the Southern Hemisphere it curves to the right. From Tempe at 33.4°N, the Moon arcs through the southern sky. Moonrise and moonset times also differ by longitude — a city 15° to the east sees the Moon rise roughly 1 hour earlier.