Legal-ish

Cooling-Off Date Scenario

Add an assumed number of calendar days to a date. Cancellation rights and legal deadlines are not determined.

Use a start date and period you have verified separately to illustrate a calendar date. This tool does not decide whether a cooling-off right applies, when a period starts, how notice must be delivered, or whether weekends or holidays count.

Enter your numbers

Assumed start date

Assumed calendar days to add

Results update as you change the inputs. Calculations run in your browser.

Calendar illustration only

2026-01-25

period: 10 calendar days
scope: No cancellation right or legal deadline assessed

See the formula

Formula and method

Illustrated date = entered start date + entered calendar days.

Adds calendar days in UTC, avoiding daylight-saving time shifts. The start date is day zero. This assumption is not a statement of a statutory counting rule.

Worked examples

Ten calendar days after January 15

Assumed start date:: 2026-01-15
Assumed calendar days to add:: 10

Calendar illustration only: 2026-01-25

Leap-day transition

Assumed start date:: 2024-02-29
Assumed calendar days to add:: 1

Calendar illustration only: 2024-03-01

Assumptions and limits

Calendar days, with start date as day zero
No exclusion of weekends or holidays
User verifies actual rights, start date, counting and notice rules

This tool provides an educational estimate. Rules, rates and personal circumstances can change the answer. Review the assumptions before relying on a result. Report a correction.

Common mistakes to avoid

Assuming the date shown is an enforceable cancellation deadline.
Using calendar days when the applicable rule uses business days or a different start event.

Frequently asked questions

Does this determine my right to cancel?

No. Check the contract and applicable official rules or obtain legal advice. This tool only illustrates the date arithmetic.