It makes more sense to say, "In this time of calamities you will be safe."
Made it exactly at their cut off time is not a correct grammar.
"When is the best time I can call you?" is correct.
It's nice spending time with my husband. other than the apostrophe in the first word, the grammar was correct.
Arrived 2 minutes before their cut off time is not a correct grammar.
Got in at 2 minutes before their cut off time is not a correct grammar.
Got in at 2 minutes before their cut off time is not a correct grammar.
The sentence "I arrived exactly at their cut off time" is not correct grammar because of the wrong diction used.
Correct grammar means using words in such a way that everyone will be able to understand what you are comunicating. This means that the accepted and normal conventions of a language should be used.
Got here in 2 minutes before their cut off time is not a correct grammar.
Arrived at two minutes before their cut off time is not a correct grammar.Is arrived at two minutes before their cut off time is not a correct grammar.
That sentence is grammatically correct.
This is the first time I've tried this kind of hairstyle. This is my first time to try this kind of hairstyle.