Late- afternoon: 3-6 p.m. Evening: 6-9 p.m. Late at night: Midnight-6 a.m.

Is 4pm evening or afternoon?

In the USA, 4pm is considered afternoon. But it could be thought of as "evening" elsewhere.

At what time evening starts from?

Evening is from 5:01 PM to 8 PM, or around sunset. Night is from sunset to sunrise, so from 8:01 PM until 5:59 AM.