According to meteorological calendars, spring months are March, April, and May
. However, the exact dates of the start and end of spring can vary depending on the region and the method of reckoning. For example, in Ireland, spring is often defined as February, March, and April
. In Australia, New Zealand, South Africa, and Brazil, the spring months are September, October, and November
. Astronomical spring begins around March 20th in the Northern Hemisphere
. Ecological reckoning and pagan cross-quarter days are other methods of reckoning the start and end of seasons
