Commemorative Dates

Beginning of Summer (Southern Hemisphere)

Marks the summer solstice in the Southern Hemisphere, the longest day of the year.

📅191 days away — December 21, 2026

Marks the summer solstice in the Southern Hemisphere, the longest day of the year.

Full article coming soon.

Days until Beginning of Summer (Southern Hemisphere)?

191 days away

Other dates in December

World AIDS Day

Awareness of AIDS, solidarity with those affected, and encouragement for prevention and treatment.

National Samba Day

Celebration of samba, one of Brazil's most important musical and cultural genres.

Immaculate Conception of the Blessed Virgin Mary

Solemnity celebrating Mary's conception without original sin.

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