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Reporting
The astronomical definitionThe astronomical definition of when a season begins (such as the March equinox: spring in the Northern hemisphere; fall in the southern) applies everywhere around the world (a set point in time, converted to local time zone). However, different countries may celebrate the seasons at different times. For example, in Bulgaria, March 1 is often celebrated as the beginning of spring. Also on March 1, Helidonismata is a traditional Greek observance that celebrates the return of the swallows, marking spring's return, as well. You might also be interested in Greek mythology as it relates to spring: the story of Demeter and Persephone.