What are some songs that mention a time of day, either in the title or the lyrics? A few that I’ve thought of:
One for My Baby (“A quarter to three”). (and this unforgettable version)
About a Quarter to Nine from “Forty-Second Street.”
Thelonious Monk’s 'Round Midnight.
Tori Amos, Me and a Gun : “5 a.m. Friday morning, Thursday night Far from sleep”
25 or 6 to 4 - Chicago.
Manic Monday - The Bangles
I’m going to guess its AM
ETA:
Using this google search:
o’clock site:azlyrics.com
You can find some more - on the second page I found
1,000 o’clock - Aesop Rock
Not sure if that counts 
Piano Man - Billy Joel
It’s 9:00 o’clock on a Saturday…
Working 9 till 5…
The Beatles in She’s Leaving Home first verse -Wednesday morning at five o’clock as the day begins, and last verse - *Friday morning at nine o’clock she is far away.
*
Brown Sugar- just around midnight
9amon a new york subway
Memory Midnight, not a sound from the pavement.
One For My Baby’(And One more for The Road) - It’s quarter to three.
What’s Your Name - Lynyrd Skynyrd
“Well, its 8 o’clock in Boise, Idaho. I’ll find my limo driver, mister, take us to the show.”
Rock around the Clock…
But then I asked Uncle Google…
How many do you want?
http://www.humanclock.com/songlist.php
“5:15”, The Who.
“After Midnight”, J.J. Cale (and covered by Eric Clapton)…
“Four o’clock in the afternoon
and I didn’t feel like very much.”
Leonard Cohen, “Dress Rehearsal Rag”
“In The Midnight Hour”, Wilson Pickett.
10:15 Saturday Night by The Cure
“What’s that honey?
Pick you up at 8 and don’t be late?”
“Chantilly Lace”, The Big Bopper.
“You leave the Pennsylvania Station 'bout a quarter to four” - “Chattanooga Choo Choo”, Glenn Miller.
“One After 9.09”, The Beatles. (Seems to be a train departure time.)
“It’s four in the morning, the end of December,” Leonard Cohen, “Famous Blue Raincoat.”
“Wednesday Morning, 3 A.M.”, Simon & Garfunkel.
“Down at the Tube Station at Midnight”, The Jam.
“She gets too hungry for dinner at eight,” - “The Lady is a Tramp” (written by Rogers and Hart, best known version by Frank Sinatra).
Note to self - next time, read the OP. :smack: