The phrase "a wretched day" is correct and usable in written English.
You can use it to describe a day that was particularly unpleasant or filled with misfortune.
Example: "After losing my job and dealing with a flat tire, I can confidently say it was a wretched day."
Alternatives: "a miserable day" or "an awful day."
It's been a wretched day for the Open champion who is +6 for the day.
A wretched day for Redknapp's team concluded when Portsmouth scored again three minutes from the end.
A wretched day for England, a joyous one for beleaguered Bangladesh.
I had been forced to sit out on the fun and games because of a twisted ankle, and spent a wretched day getting colder and colder while my French pals swooshed around.
But, rebellion or not, today has been a wretched day for Cameron, because the events in the Commons illustrated the extent to which he has lost control of his party on this issue.
Any female worker who spends time sitting at a desk can tell you that that makes for a wretched day, especially in the summer when air conditioners are on high, and they have to wear wool clothes and run space heaters even when it's 90 degrees outside.
Despite a wretched day--rain, fog, etc.--the Babe donned his old uniform with the No.3 on the back.
It made breathing a little easier, a little lighter, every hour of that wretched day, and every day for the rest of that year.
He was back for only the second time since an ocean of tears were spilled on that wretched day in 1993 when he bowed out with his beloved Forest falling out of the Premiership.
I knew that that wretched day was coming -- Graduation Day.
To alleviate the suffering, chugging coffee, downing Advil or simply choosing to forego the wretched day altogether by returning to bed sometimes does the trick.
