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Calculate the number of days between two calendar dates, or add or subtract days to a date.

Preview and results

After processing is complete, the results will be displayed here.

Instructions for use

  1. Select date difference or date plus or minus days.
  2. The date difference requires the start and end dates; adding and subtracting days requires the start date and an integer number of days, and a negative number means moving forward.
  3. Click "Calculate Date" to view the results; it is only calculated based on calendar days, and weekends or holidays are not automatically deducted.

Input and output examples

Example input
2024-02-28 → 2024-03-01
Example output
2

These are demo inputs and sample results, and do not mean that your data has been processed.

Calculation basis and reference materials

Calculated based on calendar days, hours, minutes and seconds are not included, and weekends and statutory holidays are not automatically excluded.

Content check: · About this site and content description

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