date line

• En un escrito, documento o correo electrónico, línea que indica la fecha y a menudo el lugar de redacción; también se refiere a la línea internacional de cambio de fecha, línea imaginaria en la superficie terrestre que marca el límite entre días calendario.

A line in a letter, document, or email indicating the date and often the place where it was written; also refers to the International Date Line, an imaginary line on the Earth's surface that defines the boundary between calendar days.

1. International Date LineB2formal

   An imaginary line on the Earth's surface that runs from the North Pole to the South Pole, where the date changes by one day when crossed.

   Línea internacional de cambio de fecha

   • When crossing the date line from east to west, you lose a day.
   • The date line is not a straight line; it zigzags to avoid land.
   • Travelers must adjust their calendars when crossing the date line.

2. Line in a letter or documentB1formal

   A line in a letter, document, or publication that indicates the date.

   línea de fecha

   • Please include the date line at the top of your letter.
   • The date line on the contract shows it was signed yesterday.
   • The newspaper's date line indicates the issue's publication date.