The definition of when spring begins depends entirely on whether you are looking at the sky or a calendar. While most people associate the season with blooming flowers and warmer air, the transition happens at different times based on your location and whether you follow astronomical or meteorological standards.

This is a clever, meta-style review. Here’s a solid breakdown:

The start of spring is defined in two primary ways globally: Definition Northern Hemisphere Months Southern Hemisphere Months Characteristics March 1 – May 31 September 1 – November 30

Meteorologists and climatologists use a different system to define the seasons. Instead of following the sun, they break the year into four three-month periods based on the annual temperature cycle and the Gregorian calendar. This makes it much easier to calculate seasonal statistics and compare weather patterns from year to year.

If someone asks “what month is spring time,” a precise answer is tricky because spring spans different months depending on hemisphere, culture, and definition (meteorological vs. astronomical). A solid review would point this out—e.g., “The question assumes spring is a single month, but it’s three months: March–May in the Northern Hemisphere (meteorological) or late March to late June (astronomical).”

Jimmy Guerrero

VP Developer Relations

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