unearthly

at an unearthly hour

Very early in the morning or very late at night. This phrase usually indicates the speaker's exasperation. Other determiners, such as "this" or "some," can be used in place of "an." Jenny is always calling me at an unearthly hour, usually for no reason. Only your sister would come to our house at an unearthly hour like this. Doesn't she realize that we were sleeping?
See also: hour, unearthly

at an ungodly hour

Very early in the morning or very late at night. This phrase usually indicates the speaker's exasperation. Other determiners, such as "this" or "some," can be used in place of "an." Jenny is always calling me at an ungodly hour, usually for no reason. Only your sister would come to our house at an ungodly hour like this. Doesn't she realize that we were sleeping?
See also: hour, ungodly
Farlex Dictionary of Idioms.

at an unˌearthly/unˌgodly ˈhour

(informal) very early or very late, especially when this is annoying: The job involved getting up at some unearthly hour to catch the first train. I heard him come home at some ungodly hour again last night.
See also: hour, unearthly, ungodly
Farlex Partner Idioms Dictionary

unearthly

mod. weird; terrible. There was an unearthly smell coming out of the kitchen.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • at an unearthly hour
  • at an unearthly/ungodly hour
  • at an ungodly hour
  • ungodly
  • throw a game
References in periodicals archive
William Hartnell, Carole Ann Ford, Jacqueline Hill and William Russell, in An Unearthly Child
'I never thought I'd still be talking about Doctor Who' Waris
Kentucky State Police Trooper Shaun Little reportedly said that he had received at least five phone calls regarding the sightings of the unearthly object.
Twin UFOs Shaped Like Fluorescent Bulbs Sighted in Kentucky; Eyewitness Posts Video of Bizarre Object [VIDEO]
Granted, they're taking from the greats like Ewiz, YOB, Unearthly Trance and such, and I still find some original dooming.
Shrinebuilder
Designer Michael Curry's larger-than-life props and puppets complete Pendleton's unearthly vision.
Al abloom
Now, liquor will be served and sold in the city till the unearthly hour of 3 am.
Cheers for tipplers in Bangalore
Back in London, the atheistic Daniel is wrestling with something his "cold philosophy" cannot explain--something unearthly he thought he saw while swimming for help in the Pacific.
Nigel Farndale: The Blasphemer
She pulled her coat closer as the night darkened, She found faces in the dark, a memory, searing unearthly music, the hairs on her neck prickled, The wind whispered in the stones, as the moonlight around her lowered, the wind easing, silently listening, Do I believe?
Reader's Poem
It's a tricky one to resolve, but 24-hour licences are hardly promoting cafe society culture at unearthly times of the morning.
Picking up police tab; Comment The policy of honesty. The might of right. The expediency of principle
The German band Necrophagist plays with an unearthly precision: Guitar and bass notes rattle off as though fired from a submachine gun, and Muhammed Suicmez's over-the-top demonic vocals seal the deal.
Masters of metal
Nor can I imagine getting up at unearthly hours to watch souped-up go-karts droning around a circular track umpteen times.
F1 race leaves me cold
Ken duly rose from his Lordly pit at the unearthly hour of 4.30am to cover the 260-mile journey.
TYNE WAITS FOR NO MAN; Murphy's Law
If anything, it is most off-putting, to be disturbed at the weekend at an unearthly hour!
A rude awakening
On February 25th the Moon crossed the Sun in an unearthly annular eclipse--one that can never be seen from Earth.
Transit of Luna
An unearthly musical sound floated up the Tyne yesterday as an international performance group got ready to stage an unusual event.
Moving water music
And knowing that he needed to get the upper hand in any way possible, the Trinidad and Tobago keeper was really tempted to call his old mate at an unearthly hour.
FOOTBALL: Doriva: It's time Boro Yak shaken; WEST HAM V MIDDLESBRO (K.O. 3 pm)