Can you find a number that lies one third of the distance between 1/3 and 2/3?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

What jumps when it walks and sits when it stands?

In a football game, Christina defeated Teresa by 2 - 0 but no man from either side scored. How can this be possible?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What does this Rebus Picture mean?

why number 8549176320 is one of a kind?

You have a basket containing ten apples. You have ten friends, who each desire an apple. You give each of your friends one apple.
Now all your friends have one apple each, yet there is an apple remaining in the basket.
How?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?