Add to or Subtract from a Date (Days/Weeks/Months or Years)
Calculate the Difference Between Two Dates. How many days, months, and years are between two dates? From date to date calculator
How many days, weeks, months and years until a Date. How Many Days Until My Birthday?
Convert Hours/Days/Weeks/Months/Years to Seconds/Minutes/Hours
Find the day of the week of any date. What day of week was or will be a date