sundown
nounUK /ˈsʌn.daʊn/
US /ˈsʌn.daʊn/
The time in the evening when the sun goes down and it starts to get dark.
We went home at sundown.
OTHER MEANINGS
2. The actual setting of the sun below the horizon.
The sky turned orange at sundown.
3. A time limit or deadline, especially in law.
The law was set to expire at sundown.
4. A sunset viewed as a signal for rest or the end of work.
Farmers stopped working at sundown.