Время - Диапазон и продолжительность

from a time that has begun a long ago

из времен

at a point in time as a process or action continues or is being carried out

в будущем

a work day that is short compared to total hours of most jobs

Период времени между 10 часами утра и 3 часами дня

in the end of or over a long period of time

В течение относительно длительного

used to describe a prolonged or indefinite period of time, often implying that something will continue for a very long duration

в течение очень долгого времени

to last only for a short period of time

поговорим о прошедшем времени

used to refer to a long passage of time or a significant number of months or years

давным-давно

at an unspecified point during a series of events or a process

a very prolonged period of time

часто неопределенный период времени

used to say that something has existed or been done for an extremely long time, to the point where its origin or beginning is unknown or forgotten

С очень давних пор