Em que estacao estamos 2025

Get the 2025 season dates for the Northern and Southern Hemispheres. See the exact start times for the spring and autumn equinoxes, and summer and winter solstices.

2025 Seasonal Dates A Guide to the Year's Solstices and Equinoxes

For the Northern Hemisphere, the initial months will be defined by the final phase of winter, a period concluding on March 20 with the vernal equinox. This moment, when the Sun crosses the celestial equator moving north, initiates a time of increasing daylight and rising temperatures, setting the stage for agricultural planting and biological reawakening. Preparation for this transition should focus on soil readiness and early-sowing crops.

Simultaneously, the Southern Hemisphere experiences its high summer giving way to autumn. The extended daylight hours following the late December solstice will begin to shorten noticeably. The autumnal equinox on March 20 marks the turning point toward cooler, shorter days. This time is critical for harvesting late-summer crops and preparing for the approaching cold interval.

The entire global pattern of opposing thermal periods is dictated not by the Earth's proximity to the Sun, but by its persistent 23.5-degree axial tilt. As the planet follows its orbit, this tilt means one hemisphere is angled more directly toward the Sun's rays while the other is angled away. The June 20 solstice will represent the Northern Hemisphere's peak solar exposure and the Southern Hemisphere's minimum, a complete reversal of the conditions found in December.

Seasonal Calendar 2025: Dates for Northern & Southern Hemispheres

Pinpoint climatic shifts with astronomical precision for the upcoming annum. The following dates define the solstices and equinoxes governing global atmospheric periods. Align your plans with these specific astronomical markers for optimal timing.

Northern Hemisphere

Vernal Equinox (Spring): Commences March 20. Day and night are of nearly equal duration, signaling an opportune moment for agricultural planting and observing migratory patterns.

Summer Solstice (Summer): Begins June 21. This day offers the maximum daylight hours. Schedule outdoor activities and construction projects to leverage the extended light.

Autumnal Equinox (Autumn): Starts September 22. Light and darkness are again in near balance before the days shorten. This is a reference point for harvest preparations and winterizing property.

Winter Solstice (Winter): Initiates December 21. Represents the shortest day and longest night, a key marker for planning energy consumption and indoor projects.

Southern Hemisphere

Autumnal Equinox (Autumn): Begins March 20. The sun crosses the celestial equator southward, bringing balanced daylight and cooler temperatures, ideal for concluding outdoor work.

Winter Solstice (Winter): Commences June 21. This date marks the point of minimum daylight. Focus on interior maintenance and energy conservation strategies.

Vernal Equinox (Spring): Starts September 22. Equal day and night herald the beginning of the growing period and increased solar exposure. A prime time for starting new agricultural cycles.

Summer Solstice (Summer): Initiates December 21. The longest day of the annum provides peak sunlight, perfect for major events and maximizing solar power generation.

Key Astronomical Dates Defining the 2025 Seasons

Pinpoint the turn of the periods by marking these specific astronomical moments. All times are listed in Coordinated Universal Time (UTC).

  • Vernal Equinox (North) / Autumnal Equinox (South): March 20, 09:02 UTC.

    On this date, the Sun shines directly on the equator, resulting in nearly equal day and night length across the globe. This event signals the beginning of spring for the Northern Hemisphere and the onset of autumn for the Southern Hemisphere.

  • Summer Solstice (North) / Winter Solstice (South): June 21, 02:42 UTC.

    The North Pole's tilt is closest to the Sun. This produces the longest day of sunlight for the Northern Hemisphere, heralding summer. Conversely, the Southern Hemisphere experiences its shortest day, marking the start of winter.

  • Autumnal Equinox (North) / Vernal Equinox (South): September 22, 18:19 UTC.

    The Sun again crosses the celestial equator, moving southward. For the Northern Hemisphere, this is the first day of autumn. For the Southern Hemisphere, it is the first day of spring. Daylight and nighttime hours are once more nearly balanced.

  • Winter Solstice (North) / Summer Solstice (South): December 21, 14:03 UTC.

    The North Pole is tilted farthest from the Sun, creating the shortest day of the year and initiating winter in the Northern Hemisphere. The Southern Hemisphere receives maximum sunlight, commencing its summer period.

Also note Earth's orbital points for the given year:

  1. Perihelion: January 4. https://wazamba-login.casino reaches its closest point to the Sun in its orbit.
  2. Aphelion: July 4. Earth is at its farthest point from the Sun. These points do not determine the thermal periods but influence their duration.

Northern vs. Southern Hemisphere: A 2025 Seasonal Comparison

Target Tokyo for cherry blossoms around the March 20th equinox of the approaching year, as the Northern Hemisphere's vernal phase begins. Conversely, for an autumnal atmosphere, plan a trip to Mendoza, Argentina, where the grape harvest for Malbec will be at its peak. This opposition defines global travel opportunities.

From the June 21st solstice, expect maximum daylight and warm temperatures across the Northern Hemisphere, ideal for beach holidays in the Mediterranean or hiking in North American national parks. In stark contrast, this same period offers prime ski conditions in New Zealand's Southern Alps and Chile's Andes mountain range, where the cold-weather cycle is fully established.

The September 22nd equinox signals the onset of crisp air and foliage displays in New England and much of Europe. For those seeking a period of renewal, the Southern Hemisphere offers a different spectacle. Western Australia's countryside will be covered in wildflowers, and Patagonia enters an optimal period for trekking before the summer crowds arrive.

By the December 21st solstice, the Northern Hemisphere is in its coldest, darkest phase, presenting opportunities for viewing the Aurora Borealis in Scandinavia or visiting traditional Christmas markets in Germany. Simultaneously, Brazil's beaches will be at their most active, and Australia will be experiencing its high summer, with outdoor events dominating the calendar from Sydney to Perth.

Planning Your Year: Meteorological vs. Astronomical Seasons in 2025

Align your long-range agricultural and climate-sensitive planning with meteorological periods for superior data consistency. These fixed-date quarters simplify historical weather comparisons and future forecasting.

Meteorological definitions are based on the annual temperature cycle and maintain static dates for streamlined statistical analysis. Northern Hemisphere spring begins March 1. Summer starts June 1. Autumn commences September 1. Winter initiates on December 1. Each period lasts precisely three months, facilitating straightforward climate data aggregation and trend analysis.

Astronomical timing is determined by the Earth’s position relative to the sun. The next cycle's vernal equinox occurs on March 20, marking the start of spring. The summer solstice, the day with maximum daylight, falls on June 21. The autumnal equinox arrives on September 22. The winter solstice, the shortest day, is on December 21. These dates signify shifts in the length of daylight and solar intensity.

For practical application, a construction project manager would follow meteorological summer (June 1 - Aug 31) to schedule outdoor work based on predictable temperature patterns. Conversely, an organizer of a midsummer cultural festival would target the astronomical solstice (June 21) for its solar and traditional significance. A tourism operator might use meteorological autumn for marketing fall foliage tours, starting promotions for September 1, well before the astronomical shift.

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Pub: 11 Jul 2025 15:49 UTC

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