Jāņi is an annual Latvian festival celebrating the summer solstice. Although, astronomically the solstice falls on the 21st or 22nd of June, the public holidays—Līgo Day and Jāņi Day—are on the 23rd and 24th of June. The day before Jāņi is known as Līgosvētki, Līgovakars or simply known as Līgo.

Latvians are a Baltic ethnic group and nation native to Latvia and the immediate geographical region, the Baltics. They are occasionally also referred to as Letts, especially in older bibliography. Latvians share a common Latvian language, culture, history and ancestry.