Date Calculator

Calculate Date Differences & Add/Subtract Days

This date calculator is based on standard date arithmetic and is designed for accuracy and ease of use.

Parameters

  • Mode: Choose to calculate the difference between two dates or add/subtract days from a date.
  • Date 1: The starting date (required for both modes).
  • Date 2: The ending date (for date difference mode).
  • Days: The number of days to add or subtract (for add/subtract mode).

How It Works

  • Select the mode and enter the required dates and/or days.
  • The calculator computes the number of days between dates or the resulting date after adding/subtracting days.
  • Uses the shadcn calendar for easy date selection.

FAQs

  • How is the date difference calculated?
    By counting the number of days between two dates.
  • Can I add or subtract negative days?
    Yes, use a negative number to subtract days.
  • How accurate is this calculator?
    It uses standard date arithmetic used in the industry.
  • Can I use this for business days?
    This version counts all days. For business days, use a specialized calculator.
  • Can I compare different scenarios?
    Change the inputs and recalculate to compare outcomes.

Date Tips

  • Use the calendar picker for quick and accurate date selection.
  • Double-check leap years and month lengths for long date ranges.
  • Review your results for important deadlines or planning.

Date Calculator