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 grammatically correct to say it is the time for someone and not it is the time of someone.
'Part-time' (with a hyphen) is the correct spelling.
"When is the best time I can call you?" is correct.
Um! Because u didn`t set it to correct time.........
The rain was on time
To ask for the time you would say "What time is it?"
Stays on the correct time
Well, I would go on the news or an iPhone because those have correct time.
No it is incorrect. "Its" is used incorrectly.It would be correct if it was:"It's time you were in bed."or"It is time you were in bed."