Earliest day on whichSham el-Nessimcan fall, while May 9 is the latest; celebrated on Monday after theOrthodoxEaster(Egypt)

An ancient Egyptian spring festival celebrated on the Monday after Orthodox Easter, marking the start of spring with outdoor picnics and painted eggs.
Sham el-Nessim has roots in Pharaonic Egypt and is one of the oldest continuous festivals in the world. Its name means "smelling the breeze," reflecting the tradition of welcoming spring outdoors. Families gather for picnics, often along the Nile, sharing salted fish, green onions, and colored eggs. The day is a public holiday in modern Egypt, observed by Muslims and Christians alike. It blends ancient customs with contemporary national identity. Activities include flower exhibitions, park visits, and community celebrations. Sham el-Nessim celebrates renewal, community, and the enduring legacy of Egypt’s cultural heritage.
Sham el-Nessim Orthodox Easter Egypt

Children's Day(Palestinian territories)

An annual observance in the Palestinian territories dedicated to celebrating children’s rights, welfare, and well-being.
Children's Day in the Palestinian territories highlights the importance of protecting and nurturing the younger generation. The day features educational programs in schools and community centers focusing on health, education, and child protection. Government agencies and NGOs organize workshops, sports events, and cultural performances for children and families. Special attention is given to advocating for children’s rights under challenging social and political conditions. The observance also raises awareness about the needs of orphans and children with disabilities. Children are encouraged to express their aspirations and creativity through art and storytelling sessions. The day strengthens community bonds and promotes hope for a better future.
Children's Day Palestinian territories

National Maritime Dayis observed in India, in commemoration of the first voyage ofSSLoyaltyof theScindia Steam Navigation Company Ltd.in 1919.

An official Indian observance commemorating the maiden voyage of SS Loyalty in 1919, marking the birth of India’s merchant marine.
National Maritime Day in India celebrates the first voyage of the SS Loyalty operated by the Scindia Steam Navigation Company on April 5, 1919. This landmark event symbolized India’s emergence as a maritime nation. Each year, the Ministry of Ports, Shipping and Waterways organizes events at major ports to honor seafarers and maritime workers. The day includes parades, seminars on shipping innovation, and ceremonial wreath-layings for mariners lost at sea. It also highlights the importance of maritime trade to India’s economy and strategic interests. National Maritime Day promotes awareness of maritime history and the contributions of the shipping industry to national development.
National Maritime Day SS Loyalty Scindia Steam Navigation Company Ltd.