How do you personally mark the first day of the season? Is it a date on the wall, or the first time you can drive with the windows down? 🌬️

The start date of spring varies depending on the location and the definition of spring. There are two main ways to define the start of spring:

Spring runs from September 1 to November 30 .

When Is Spring? A Guide to the Season of Renewal Spring is perhaps the most anticipated season of the year. After the long, hushed tones of winter, it arrives with a burst of color, birdsong, and warmer breezes. But determining exactly when spring starts depends on who you ask—and where you are standing.

Meteorologists and climatologists use a different system. To make record-keeping easier and more consistent, they divide the year into four three-month periods based on the calendar and annual temperature cycles. Spring runs from March 1 to May 31 .

If you want the official "astronomical" answer for the Northern Hemisphere, spring starts on . However, if you prefer the "meteorological" start, mark your calendar for March 1 .