1 Apr
Fun
April Fools' Day
A day for jokes and pranks, observed in many cultures on April 1.
Marketing note High-risk, high-reward. Wit and authenticity work. Poorly executed pranks backfire.
April 2026 — Social Media Holiday Calendar
April hosts Easter, Earth Day, National Sovereignty and Children's Day (Apr 23) and several WHO awareness moments.
International Observances 7
2 Apr
Awareness
World Autism Awareness Day
UN-designated day encouraging worldwide action to raise awareness about autism.
Source: UN Resolution 62/139
3 Apr
Cultural
Good Friday
Christian observance commemorating the crucifixion of Jesus Christ. Public holiday in many countries. Two days before Easter Sunday (April 5, 2026).
Source: Western Easter calendar 2026
5 Apr
Cultural
Easter Sunday
Central Christian feast celebrating the resurrection of Jesus Christ. April 5 in 2026 (Western/Gregorian calendar).
Marketing note Major holiday and retail occasion in Christian-majority countries.
Source: Easter calculation 2026
7 Apr
Awareness
World Health Day
WHO-designated annual awareness day for global health issues. Each year focuses on a priority topic selected by the WHO.
Marketing note Health, wellness and lifestyle brands see strong engagement.
Source: WHO
22 Apr
Environment
Earth Day
Annual event demonstrating support for environmental protection. Over one billion people in more than 193 countries participate each year.
Marketing note One of the most-shared environmental dates on social media. High brand engagement globally.
Source: Earth Day Network (1970)
23 Apr
Cultural
World Book Day (UNESCO)
UNESCO's annual celebration of books and reading on April 23 — the date associated with the deaths of Cervantes and Shakespeare in 1616.
Marketing note Strong engagement in education, media and publishing.
Source: UNESCO
Türkiye 2
22 Apr
Environment
Earth Day Dünya Günü
Annual event demonstrating support for environmental protection. Over one billion people in more than 193 countries participate each year.
Marketing note One of the most-shared environmental dates on social media. High brand engagement globally.
Source: Earth Day Network (1970)
23 Apr
National Holiday
National Sovereignty and Children's Day Ulusal Egemenlik ve Çocuk Bayramı
Commemorates the opening of the Turkish Grand National Assembly on April 23, 1920, and celebrated as Children's Day. Major national holiday.
Marketing note Unique combination of patriotism and children's celebration. Strong engagement for family-oriented brands.
Source: Turkish Official Calendar
Plan April
Plan April content in BarlaPost
Schedule posts for these dates across Bluesky, Mastodon, LinkedIn, Pinterest, X, TikTok, YouTube and DEV.to — all from one composer.