The Last day of "Heisei" era

Japanese has another calender in addition to the Western one.  

The unique Japanese one is named in accordance with the emperors.

The current era is Heise with Emperor Akihito.

The meaning of Heisei is "peace" and  "realization".   

Sakurasou

"Sakura" generally means "Someiyoshino" in Japan.  We await their blossoms because we can feel "spring has come".

Here's another sakura.  "Sakurasou" means Sakura Grass.

You know it as "primrose", the prime role flower blooming.

April is the "spring awaited", "beginning", "starting time" in Japan.