When is the Vernal Equinox in 2024?

As we transition from midwinter to midsummer, spring has officially arrived.

There are two equinoxes each year, one in March and one in September, serving as significant points in Earth’s orbit with direct effects on our planet.

So, when exactly is the vernal equinox, and how does it impact Earth?

When is the vernal equinox in 2024?

In 2024, the vernal equinox in the Northern Hemisphere falls on Wednesday, March 20th. While meteorological spring starts on March 1st, the vernal equinox marks the astronomical beginning of spring at 3:06 a.m. GMT.

The vernal equinox brings opposite experiences to the northern and southern hemispheres, heralding spring in the former and autumn in the latter.

What is the vernal equino?

During the vernal equinox, the sun crosses the celestial equator, transitioning from the southern hemisphere to the northern hemisphere.

This event leads to nearly equal day and night lengths in both hemispheres, giving rise to the term “equal equinox,” which means “equal night” in Latin.

Despite the balanced division, slight sunlight increase occurs due to atmospheric refraction.

Unlike the vernal equinox, the autumnal equinox sees the sun crossing the celestial equator from north to south.

The shifting “first point of Aries” signifies where this occurs, altering due to Earth’s precession motion. Currently moving towards Aquarius, this point will return to Aries in about 23,000 years.

Known as the vernal equinox in the Northern Hemisphere, the term “vernal equinox” directly relates to spring.

Are the vernal equinox and solstice the same?

No, they are not. The difference lies in day length, with equinoxes having nearly equal day and night durations, while solstices mark the shortest (winter) and longest (summer) days.

During the vernal equinox, the sun aligns directly above the Earth’s equator, affecting tides and other phenomena, unlike the summer solstice with longer days due to the northern hemisphere tilting towards the sun.

Why do the days of the vernal equinox change?

The varying equinox dates stem from Earth’s orbit taking slightly over 365 days, prompting the Gregorian calendar to include leap years. As a result, the March equinox time shifts yearly, ensuring we don’t have to memorize different dates.

Thanks to leap years, equinoxes will stay on March 20th until 2044, then changing to March 19th.

Future equinox date and time (GMT)

2024: March 20th, 3:06am

2025: March 20th, 9:01am

2026: March 20th, 2:45pm

2027: March 20th, 8:24pm

2028: March 20th, 2:16am

2029: March 20th, 8:01am

2030: March 20th, 1:51pm

What is the difference between astronomical spring and meteorological spring?

Astronomical and meteorological spring differ in their definitions, with the former based on Earth’s orbit position and the latter on temperature cycles. Meteorological spring spans specific months to aid in seasonal analysis and forecasting.

Regardless of the definition, spring has arrived in the Northern Hemisphere.

Do the equinoxes affect the tides?

Yes, during the equinoxes, moon and sun gravitational pulls impact tides differently, leading to “vernal equinox tides.”

Do the equinoxes affect the aurora borealis?

More frequent auroras and geomagnetic storms occur around the vernal equinox due to heightened Earth-Sun interaction. Solar material collisions with Earth’s atmosphere create the spectacular aurora borealis seen at the North and South Poles.