The first day of spring is also called the Spring Equinox.
This year it begins at 5:58 p.m. EDT on March 20th.
The first day of spring is when the sun is directly overhead at the Equator as the Earth`s tilt begins to point the northern hemisphere towards the sun.
Yes that is the technical explanation.
But you are wondering "why the ice cream cone as the illustration for this event"?
The answer is in the Click Through below -- which will you will hopefully happily enjoy.
Here is Click Through re the Surprise for the First day of spring