Looking on the internet deeply has found these results:

in the evening is the most popular phrase on the web.

At the evening 192,800 results on the web	in the evening 1249,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Rhin, Bischheim, �glise protestante�... This really confuses me. Can you explain me the difference between "in the evening" and "at night". Why can't we use in night or at the evening. Nyarlathotep: . At the Evening of Life, We Shall Be Judged On Our Love. by Rebecca Hamilton 11/25/2015 Comments (5). Alsace, Bas Then, at the evening sacrifice, I rose from my self abasement, with my tunic and cloak torn, and fell on my knees with my hands spread out to the LORD my God ... after its first intensity has warmed the air, it then only glows to be looked at; the evening shades and phantoms gathering round the casements, and peering in�...	We believe that it is not appropriate to discuss that very late in the evening. And I wanted to sleep till eight in the evening. Especially in the evening... from the side. A 11 pm in the evening, his neighbor screamed a room. They look too exciting for so early in the evening. Classes on the morning and activities in the evening. My husband loves coffee in the evening, so... Well, I love the smell of freedom in the evening.

At the evening

192,800 results on the web

in the evening

1249,000,000 results on the web

More popular!

Rhin, Bischheim, �glise protestante�...
This really confuses me. Can you explain me the difference between "in the evening" and "at night". Why can't we use in night or at the evening. Nyarlathotep: .
At the Evening of Life, We Shall Be Judged On Our Love. by Rebecca Hamilton 11/25/2015 Comments (5). Alsace, Bas
Then, at the evening sacrifice, I rose from my self
abasement, with my tunic and cloak torn, and fell on my knees with my hands spread out to the LORD my God
... after its first intensity has warmed the air, it then only glows to be looked at; the evening shades and phantoms gathering round the casements, and peering in�...

We believe that it is not appropriate to discuss that very late in the evening.
And I wanted to sleep till eight in the evening.
Especially in the evening... from the side.
A 11 pm in the evening, his neighbor screamed a room.
They look too exciting for so early in the evening.
Classes on the morning and activities in the evening.
My husband loves coffee in the evening, so...
Well, I love the smell of freedom in the evening.