временной промежуток(The period of time before and after a desired departure time that a customer will accept a flight should the ideal flight not be available. Travel Industry Dictionary Alexander Demidov)
время(We only have a small window of time to gather the necessary resources. – Времени на накопление необходимых ресурсов у нас мало. • The defendant was with you that entire window of time? – Обвиняемый был с вами всё это время?Abysslooker)
окно(свободное время в расписании, режиме • Plan carefully, as the window of time for these negotiations is very tight. – Планируйте тщательно, окно на эти переговоры очень маленькое.Abysslooker)
время Windows(The number of milliseconds since Windows started running. This time is recorded as a 32-bit value, so it overflows to zero every 49.7 days)