TRUTHY TOOLS

Astronomical Seasons

Find the season based on equinoxes and solstices.

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Starts...
Next season...
Days into season...
Days until next...

Astronomical dates use calculated equinoxes and solstices.
Meteorological seasons use fixed three-month blocks.

About this tool

The Astronomical Seasons is a free datetime tool. Find the current astronomical season from calculated equinox and solstice boundaries in either hemisphere. Accepts date and hemisphere inputs in the page UI or API.

Use cases

  • Find the current astronomical season from calculated equinox and solstice boundaries in either hemisphere.
  • Copy astronomical seasons output into tickets, docs, QA notes, support replies, or pull request descriptions.
  • Call /seasons-astronomical/api from scripts, docs, or tests when you need the same astronomical seasons result outside the browser.
  • Validate a quick datetime answer before turning it into a spreadsheet formula, command-line snippet, or one-off script.

FAQ

What is the Astronomical Seasons used for?

Find the current astronomical season from calculated equinox and solstice boundaries in either hemisphere. It runs directly in your browser with no account required.

How do I use the Astronomical Seasons?

Open /seasons-astronomical, provide date and hemisphere values, and copy the generated result into your docs, tests, support notes, or debugging workflow.

Does the Astronomical Seasons have an API?

Yes. Use /seasons-astronomical/api for repeatable astronomical seasons checks from scripts, tests, or API docs.

Who is the Astronomical Seasons for?

The Astronomical Seasons is useful for developers, QA teams, support teams, operators, and content teams that need reliable datetime output without opening a heavier application.