Date calculator

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

Start

Now, until you pick a date.

Mode

Direction

Years

Months

Weeks

Days

Hours

Minutes

Nothing to add or subtract

Result: …
Date and time: …
Date: …
Weekday: …
ISO week: …
Days between: …
Business days between: …

Years and months go first and keep the day, or use the last day of a shorter month: 31 January plus 1 month is 28 or 29 February. Weeks, days, hours and minutes follow.