National Calendar of Bangladesh
The Bangladeshi calendar also called the Bangla Year is a civil calendar used in Bangladesh. Bangladesh also uses the Gregorian calendar and the Islamic calendar.
According to some historians, Tarikh-e-Ilahi (Divine Era), introduced by the Mughal Emperor Akbar on 10/11 March 1584. Others state that only traces of Akbar’s influence survive, and its roots are more ancient Hindu Bengali calendars.
The Bangla calendar is Very important for The farmers of Bangladesh because they follow this calendar for agriculture, as well as festivals and traditional recordkeeping for revenue and taxation