Add to a date

Add years, months, days, hours, minutes, and seconds to a base date and time.

Choose a starting date and time, then add the amounts below.

Base date and time

Years

Months

Days

Hours

Minutes

Seconds

Result (local)

Set a base date to see the result.

Tips: Use whole numbers; decimals are rounded down.

FAQ

Months are added on the calendar (e.g. Jan 31 + 1 month becomes Feb 28 or 29). Day-of-month may adjust if the target month has fewer days.

The base date and time use your browser's local timezone.