❓ FAQ
How toCalculateContractDue date?▼
Select the contract start date, enter the contract term (e.g., 365 days), choose Add, and get the expiration date. You can also use the month unit, e.g., 12 months.
Why month-end date add/subtract resultpossibleDifferent? ▼
For example, January 31 plus 1 month gives February 28 (or 29), because February doesn't have 31 days. This is normal date arithmetic behavior and the calculator handles it automatically.
thisToolsupport batch calculation?▼
The current version supports single calculations, but you can quickly switch parameters to recalculate. History saves each result for reference.