January 1 2024 To Today In Days And Days. If both dates are in the same year but not the same month, you can work out the number of days from january 1 (of that year) to both your dates and subtract these two. The months of april, june, september,.

Also, it lets you include the end date. If both dates are in the same year but not the same month, you can work out the number of days from january 1 (of that year) to both your dates and subtract these two.