April 15th has always been known as Tax Day, because it has always been the tax deadline, but it is not going to be like that this year. The deadline has been moved to May 17th.
So can you spend Tax day?
Pay your taxes on time, if you have all your required documents together
Use Tax Day to remind yourself about the extended deadline
Make sure they have the necessary documents
So even though the Tax Deadline had been moved, Tax Day can still be used as a day for Tax preparation.