I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

The current time can be represented by below textual rebus.

0
=========
B.Sc
LLB

Can you tell us the current time?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

John gave half of the apples he had plus one more to Jacob. He gave half of the remaining ones plus one more to James. Now, John was left with just one apple.

Can you find out how many did he have in the beginning?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

What can jump higher than a building?

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Count the number of triangles in the picture below:

Identify Me

Hint1: I am a god
Hint 2: I am a planet
Hint 3: measurer of heat