The June solstice in 2025 falls on Friday, June 20, and the December solstice in 2025 falls on Sunday, December 21.

Key 2025 solstice dates

  • Summer (June) solstice 2025 :
    • Date: Friday, June 20, 2025 (Northern Hemisphere’s first day of summer, Southern Hemisphere’s first day of winter).
* Moment of solstice: about 10:42 p.m. EDT (which is 02:42 UTC on June 21).
  • Winter (December) solstice 2025 :
    • Date: Sunday, December 21, 2025 (Northern Hemisphere’s first day of winter, Southern Hemisphere’s first day of summer).
* Moment of solstice: about 10:03 a.m. EST (15:03 UTC).

Simple HTML table

html

<table>
  <thead>
    <tr>
      <th>Solstice 2025</th>
      <th>Date</th>
      <th>Approx. exact time (US Eastern)</th>
      <th>Season starts in Northern Hemisphere</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>June solstice</td>
      <td>Friday, June 20, 2025</td>
      <td>10:42 p.m. EDT</td>
      <td>Summer</td>
    </tr>
    <tr>
      <td>December solstice</td>
      <td>Sunday, December 21, 2025</td>
      <td>10:03 a.m. EST</td>
      <td>Winter</td>
    </tr>
  </tbody>
</table>

Information gathered from public forums or data available on the internet and portrayed here.