The phrase "a specific time when" is correct and usable in written English.
It can be used to refer to a particular moment or occasion in time that is being discussed or referenced.
Example: "Please let me know a specific time when you will be available for the meeting."
Alternatives: "a particular moment when" or "an exact time when".
Was there a specific time when you started to understand the way color could work for you in your photos?
Thereby this isn't a formal institution, it isn't the public space or an even is just a specific time when citizens are together deliberating.
Can you remember a specific time when your school, or your individual teachers, tried to bring "the real world" and student lives and voices, into the classroom?
2. They are then asked to think about a specific time when the circled value was important and write a few sentences about it: When was that time?
He indicated that the Huffington Post's move into charging for content was likely to happen within the next five years but would not give a specific time when it would be introduced.
Mr. Liddell would not give a specific time when G.M. might begin selling its stock to the public, beyond saying it would occur "in good time, when the company's ready and when the market's ready".
Sleep propensity rises as a homeostatic response to increasing wake time, whereas a circadian clock determines the specific time when sleep will probably occur.
Each case was age-matched (by year of birth) with two controls from the screening cohort using incidence density sampling, i.e. the controls for each case were chosen from women who had not developed a breast cancer at the specific time when the case was diagnosed (264 controls).
"Notification of the specific time when the snow stopped falling is a required element of the charge," the judge, Joan P. Beck-Wall, wrote in her decision.
In order to maximize the event's exposure, they are scheduled in advance, and journalists are informed of the specific time when the event will occur.
