Today, 3 Nisan is the Nasi of Shevet Zevulan, Eliav ben Chelon. R’ Chaim Elazar of Munkatch, known as the Minchas Elazar, says he heard from R’ Yechezkel Shraga of Shiniva (Divrei Yechezkel), that today is mesugal, auspicious, for the flowing of livelihood and wealth. This is because Zevulan was the tribe that supported Yisachor learning Torah.
You can read it here.
For more on the reading of the Neseim see Day 1 here .