The Union Budget 2019 is also referred to and written as the Union Budget 2019-20 because a budget’s proposals are applicable for a financial year- April 1 to March 31.

Thus, any Budget is for the upcoming financial year which will go on from April 1 of the current year to March 31 of the next year. Hence, Union Budget 2019, although it will be announced in 2019, will be in effect till March 31, 2019.