There are no special seasons in Sikhism, any time and any place is good enough/holy to remember God. As a tradition and customs the month of April is celebrated as harvesting season but it is a tradition and is of no religious importance.
one of Sikhism special times
The 'special building' for Sikhs is a 'Gurudwara' (Guru's house.) It is the temple when Sikhs prey.
There is nothing special about being a Sikh. Just as every religion has its own idea about God,life,death,beginning,end,salvation etc. So does Sikhism has its own idea.
Geez, one bad hamburger , and you never hear the end of it...
Fruits grow best in special seasons because that is the time of year the weather and climate are best for their growth.
Demeter's special talents were growing grain and controlling the seasons
No the months of the year do not have special meaning
they are all the the same.
Seasons
A Romala is a special fabric/silk used to cover Guru Granth Sahib Ji. I have included a picture.
Sikhism
Sikhs believe in Sikhism.