On/at the stroke of eight, midnight, etc. phrase
At exactly eight, midnight, etc.
Our shop often opens at the stroke of eight every morning.
I will definitely be there on the stroke of six.
The accident happened at the stroke of midnight.
a long time ago
To remain influential in a particular situation or a particular group of people for a long time
Time is running out.
This expression means something will occur in the near future.
Blind man's holiday is the time between daylight and darkness when people cannot work because it is too dark to see.
A humorous way of saying that what one has said is just what they acknowledge and may not be entirely accurate
Mike: Have you returned from your vacation on the beach? Your skin seems to get tanned.
Jenny: My skin is always dark. That's my story and I'm sticking to it!