元旦在一月的第一天用英语怎么说

"New Year's Day" is used to describe "元旦" in English.

It is a holiday celebrated on January 1st to mark the start of a new year. It is widely celebrated all over the world, including in Western countries and many countries with a Christian tradition.

The origin of New Year's Day dates back to ancient civilizations such as the Babylonians, who celebrated the start of a new year around the time of the vernal equinox. The tradition of observing New Year's Day on January 1st was established in 45 BC by Julius Caesar, when he introduced the Julian calendar.

Here are some English examples with Chinese translation:

Happy New Year's Day! 祝大家元旦快乐！
Let's celebrate the start of a new year on New Year's Day. 让我们在元旦庆祝新的一年的开始。
People usually make resolutions for the new year on New Year's Day. 人们通常在元旦做新的一年的决心。