for the first time
prep. phr..prep. phr.. This means something is happening that has never happened before.
prep. phr.. An adverbial phrase indicating the initial occurrence of an event or state, contrasting it with all previous non-occurrences.
He is driving a car for the first time.
She visited Japan for the first time and was amazed by the culture.
For the first time in its long history, the ancient monastery opened its doors to the public, revealing treasures unseen for centuries.
This phrase can be placed at the beginning or end of a sentence to modify the main action.
Contrast with 'at first', which means 'in the beginning' and often implies a later change, whereas 'for the first time' simply marks an initial occurrence.
I went to London for first time.I went to London for the first time.The definite article 'the' is required before 'first time' in this phrase.