This is the 87th most frequent Persian word.
ساعت
"ساعت" means "hour" or "clock" in English.
The word "ساعت" in this sentence is used to ask for the current time.
ساعت چند است؟
What time is it?
Here, "ساعت" refers to a watch, specifically a timekeeping device.
این ساعت خیلی زیباست.
This watch is very beautiful.
In this example, "ساعت" is used to indicate the time at which an event, the flight, occurs.