Who celebrates the new year first and last? It's complicated.

Each day starts at the international date line. But countries are free to observe time as they see fit—resulting in a number of calendar quirks.

Antarctica National Geographic

Riley D. Champine (@rileydchampine) / X

Марина Русина

China National Geographic

Rosemary Wardley 🏳️‍ on X: Wanted to talk oddities of the Int'l Date Line for a map I made in Nov. but it just didn't fit! Thank goodness ⁦@AmyMcKeever⁩ had this great #NYE map ! Design collab with ⁦@rileydchampine⁩ and here is your nerdy

Riley D. Champine (@rileydchampine) / X

Yeni Yılı İlk Ve Son Kutlayan Ülke Hangisidir? Cevap Seçtiğiniz Tarafa Göre Değişebilir!

In the News UCLA Samueli School Of Engineering

Death Valley Quiz, Part 1