antemeridian

/ˌantɪməɹˈɪdiən/

/ˌæntəmɛˈɹɪdiən/

[adjective]

antemeridian

[ADJECTIVE]

referring to the hours between midnight and noon

antonyms : postmeridian

Examples

1. All the countries around the antemeridian, however, each have to make a choice on whether they want to be ahead of the rest of the world or behind it, and that’s a big choice.