GMT is the correct time
at tea time is correct
As time flies is grammatically correct.
"Time is of the essence" is the correct version of the saying.
"It is the time for someone" is correct. It implies that it is the right moment or opportunity for that person.
'Part-time' (with a hyphen) is the correct spelling.
"When is the best time I can call you?" is correct.
The correct phrase is "we have not drunk in a long time." "Drank" is the simple past tense of "drink," while "drunk" is the past participle, which is used with auxiliary verbs like "have."
The sentence "It's time I went home" is correct. It indicates that now is the appropriate moment for the speaker to leave and return to their home.
Um! Because u didn`t set it to correct time.........
The rain was on time
Both phrases are correct English usage but have slightly different connotations. "It's high time" suggests that something should have happened earlier or is long overdue, while "it's about time" simply implies that something should happen soon or has finally occurred.