Autumnal Equinox Has Arrived in Johnson City

The season of autumn officially began as the sun crossed the celestial equator this week.

Updated on Sept. 22, 2026 in Current Conditions

A lone deciduous tree with autumn foliage stands in a rolling meadow under soft, warm golden-hour light.
The autumnal equinox arrived Tuesday in Johnson City, marking the official transition into fall as the Sun crossed the celestial equator. AI Illustration. Upload story photo >

The autumnal equinox occurred on Tuesday, September 22, 2026, marking the official transition into fall. Residents in Johnson City will see daylight continue to decrease as the region moves toward the winter solstice in December.

Why it matters

The equinox signals a shift in the solar cycle as the Sun crosses the celestial equator from north to south, leading to shorter days. This transition is closely followed by the Harvest Moon, which is named for its proximity to the equinox.

The autumnal equinox took place at 8:05 p.m. EDT, while the Harvest Moon will reach its full phase at 11:49 a.m. EDT on September 26. Sunset in Johnson City is expected at approximately 7:20 p.m. on the night of the full moon.

The details

The Harvest Moon occurs when the Moon is low in the sky, causing its light to travel through a larger portion of the Earth's atmosphere. This phenomenon follows the equinox, which serves as the annual marker for the Sun crossing the celestial equator.

Timeline

  1. The autumnal equinox occurred at 8:05 p.m. EDT on September 22, 2026.

  2. The Harvest Moon reaches its full phase at 11:49 a.m. EDT on September 26, 2026.

  3. Sunset in Johnson City occurs at approximately 7:20 p.m. on September 26, 2026.

  4. The winter solstice will occur in December 2026.

Seasonal Patterns

The autumnal equinox initiates the seasonal trend of declining daylight that leads directly toward the winter solstice. This cycle remains a consistent astronomical occurrence that dictates the gradual cooling and lengthening of nights across the region.

Skywatchers in the Tri-Cities area can observe the Harvest Moon on the evening of September 26 after sunset. Residents should prepare for earlier sunsets as the seasonal transition toward shorter daylight hours continues.

The takeaway

The arrival of the equinox reminds us that the solar year is shifting as we head toward colder months. Individuals can track the changing daylight hours to adjust their outdoor routines accordingly.

Further reading

For more information on upcoming celestial events, visit Current Conditions.

Source note: This article includes information reported by WJHL.