The phrase "a very pleasant time" is correct and usable in written English.
You can use it to describe an enjoyable experience or event.
Example: "We had a very pleasant time at the picnic, enjoying the sunshine and good company."
Alternatives: "a delightful time" or "an enjoyable time."
"We had a very pleasant time," she told reporters.
Small nations haven't had a very pleasant time in the single currency of late.
The New Yorker, October 14, 1944 P. 69 This is a very pleasant time of evening.
I've just completed another few months being Richard Stark, and a very pleasant time it was.
By Harry Rosenstein The New Yorker, October 14, 1944 P. 69 This is a very pleasant time of evening.
The New Yorker, February 23 , 1935P. 16 Mr. Opal argues violently and has a very pleasant time shocking the guests at a party.
To a crowd made up of her old friends, political associates, former fellow law school professors and child-advocate colleagues, Mrs. Clinton called the trip "a very pleasant journey in time".
We then had a very pleasant mother-and-daughter time walking along the white beaches of Tresco, chatting openly about how this would affect her body, how she would feel, the fact that she could now get pregnant.
New York's lawmakers passed a $101 billion state budget recently, and even though it was on time -- a very pleasant surprise for Albany -- we still don't know exactly what is in it.
"This is not a very pleasant place to stay for a long time," he told me from the shelter of the eight-man weather station the next day.
As a beginner, you won't be able to coax a very pleasant sound from your instrument for some time, so flaws in privately sold violins might not be apparent to you until it is far too late to complain.
