The phrase "work on Fridays" is grammatically correct and commonly used in written English.
It can be used in a variety of contexts, such as describing a person's work schedule, discussing work commitments, or making plans. Example: "I have to work on Fridays, but I'm off every weekend."
She does not slow down when she gets home from work on Fridays.
But it was after work on Fridays when he really sprang to life, his wife, Irma, said.
It may be crowded after work on Fridays, but it is much more manageable on a Saturday evening.
– Anonymous, 50 "People often go to Izakayas [Japanese-style 'pub'] after work on Fridays or special occasions with their colleagues.
The mayor has exhorted residents to attend more games and to wear team jerseys to work on Fridays.
When it was explained that he was taking the day off, she ever afterwards would remark plaintively: "Of course, Tim doesn't work on Fridays".
She usually worked on Fridays, he said, when clashes tend to erupt in Ramallah after Friday Prayer.
She also became one of his regular customers at the salon, where he was still working on Fridays and Saturdays.
"I drew a caricature of him on a board on a wall, with the caption 'Must always smell like a rose.' " Charles — a tall man with a gray mane and a ZZ Top-style beard, who often wears wraparound shades — met Larry David while working on "Fridays".
The Moroccan colonel leading a small team of United Nations military observers in Syria dealt a severe blow to the hopes of opposition activists late Thursday when he announced that his monitors planned to avoid working on Fridays, the traditional day of mass protests in the country.
We also have a fantastic caregiver who works on Fridays, thereby allowing me the luxury of cooking and dining myself.
