"Summer" is a song by Scottish DJ Calvin Harris, released on 14 March 2014 as the second single from his fourth studio album, Motion. Wikipedia

2014 song by Calvin Harris Wikidata

Traditionally the second of the four seasons regarded as being from June 21 to September 20 (or just June, July and August) in the Northern Hemisphere and from December 21 to March 20 (or just December, January and February) in the Southern Hemisphere. OmegaWiki