Can I add months to the end of a month?

Yes. If the target month is shorter, the result clamps to the last valid day of that month.

Can I subtract dates too?

Yes. Choose subtract, enter the amount and pick days, weeks, months or years.

Yes. Open the countdown from the result to track time until that date.

Add or subtract days, weeks, months and years from any date.

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Choose dates to calculate.

Start date End date Include end date

Start date Operation Amount Unit

Date of birth Age on

Start date End date Include end date

Can I add months to the end of a month?: Yes. If the target month is shorter, the result clamps to the last valid day of that month.
Can I subtract dates too?: Yes. Choose subtract, enter the amount and pick days, weeks, months or years.
Can I turn the result into a countdown?: Yes. Open the countdown from the result to track time until that date.