Translation of "atemporal" into English

Además, debiera ser, en la mayor medida posible, neutral y atemporal, de modo que no hubiera necesidad de revisiones constantes.

Additionally, the Manual should be as neutral and atemporal as possible, so that there would be no need for constant revision.

Es atemporal, está de actualidad, y sigue sucediendo en muchos lugares del mundo.

It is timeless and topical, and is still being played in many parts of the world.

Hablando del tema, ¿cuánto cuesta el precioso bolso de boticario atemporal de mi tía?

Speaking of which, how much is my aunt's timeless, beautiful, classic apothecary bag?