Instant
It means "a moment", or a very short time.
"Kshanam" means "moment" or "instant" in Malayalam, while "kshananam" means "brief moment" or "short period of time." The difference lies in the emphasis on the duration of time, with "kshananam" implying a shorter timeframe than "kshanam."
A moment is not a fixed amount of seconds; a moment simply means "a short time". Depending on the context, that may mean less than a seconds, a few days, or a million years.
It means a tiny period of time, such as--> I will be there in a moment.
Lasting for a short time, or a brief moment.
An indefinitely short period of time, a very brief portion of time as in an instant
Done in a moment; continuing only a moment; lasting a very short time; as, a momentary pang.
You may be thinking of Judaism, but the description you use is quite a ragged one. The Jewish sabbath begins a short time before sundown on Friday, and ends a short time after twilight on Saturday. But that is by no means the only time when Jews worship.
"un court moment, un instant"
"Short on time" is the correct phrase. It means lacking sufficient time for a particular task or activity.
That all depends on which vowel you're talking about. The O is long, but the E is short.
It covers a short period of time. apex