Date Calculator - Add or Subtract Days
Add or subtract days, weeks, and months from any date to find a future or past date.
Count the exact number of days, weeks, and months between any two dates.
These are real widgets from the app. Get the full month calendar widget on your iPhone Home Screen and Lock Screen - synced with iOS Calendar and Google Calendar, updated automatically.



Add or subtract days, weeks, and months from any date to find a future or past date.
Find the ISO week number for today or any date, and see which dates a week covers.
Calculate your exact age in years, months, and days from your date of birth.
See how much of the year has passed and how many days are left, as a live percentage.
Count down the days until a birthday, holiday, deadline, or any future event.
Generate a clean printable month calendar for any month and year, Sunday or Monday start.
Find out what day of the week any date falls on - past, present, or future.
Count the working days (Monday to Friday) between two dates, excluding weekends.
Check whether any year is a leap year and see the next leap years coming up.