Subtract a number of days from a starting date to find the resulting date and day of the week.
Google AdSense Banner
This area will contain advertisements after approval.
Google AdSense Banner
This area will contain advertisements after approval.
This tool takes your starting date and moves backward by the exact number of days you specify, automatically handling month and year boundaries and leap years, then reports the resulting calendar date and its day of the week.
This is useful for finding a date a certain number of days before an event, calculating when to start a task to meet a deadline, or figuring out a past date, such as '90 days before my due date' or a project's required start date.
Yes, you can subtract any number of days, including spans of multiple years, the calculator handles leap years automatically.
Use our Add Days Calculator to move a date forward by a number of days instead.
Google AdSense Banner
This area will contain advertisements after approval.