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.

Climate change creates a new migration crisis for Bangladesh

In the News UCLA Samueli School Of Engineering

Riley D. Champine (@rileydchampine) / X

Susanne Baumann (@SusBaumann) / X

Climate change creates a new migration crisis for Bangladesh

Martin Burch (@seecmb) / X

These countries changed their names. Here's how it worked out.

Time National Geographic

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