What does «postmeridiano» mean in Spanish?

Pertaining or relating to the afternoon, or that is after noon. It is abbreviated "p.m." (post meridiem) and is placed after the hours from noon to midnight.

Examples of use in Spanish: "son las 4:30 PM, es decir, cuatro horas y media luego del mediodía".

"las seis postmeridiano".

"entre el sacrificio matutino y el postmeridiano se intercalaba la oración del mediodía".

"crepúsculo postmeridiano".

"es importante un descanso postmeridiano, una siesta".

"el sol postmeridiano se estaba poniendo demasiado ardiente".
Any of the points on the declination parallel of a star west of the observer's meridian.