Subtract Weeks

What date was N weeks ago?

Whole weeks taken off a date — the weekday is guaranteed to be the same, which makes this the safest way to step backwards.

How this is worked out

The result is also given as an ISO 8601 date and as Unix seconds, ready to copy.

Questions people ask

The things that come up about subtract weekss, answered plainly.

Why use weeks rather than days?

Because the weekday is preserved. Stepping back six weeks from a Tuesday always lands on a Tuesday, which is what you want for anything that recurs weekly.

What date was 6 weeks before 16 July 2024?

Tuesday 4 June 2024. Six weeks is 42 days, and the page shows that day count beside the date. It is a quick check that the answer is right.

Can I count back in working weeks?

Not on this page. It takes off calendar weeks, weekends included. To skip weekends and public holidays, use the subtract days tool. Turn on its working-days option and enter the number of working days.

Related tools

Move a date forwards or backwards by a span, with the calendar's rules applied.

Add Weeks to DateWeeks are the easy case — always seven days, always the same weekday. Add them and get the date, the weekday and the week number.

Subtract DaysDays taken off a date, with the weekday, and the working-day answer beside it for anything counted backwards from a deadline.

Week Number CalculatorThe ISO week for any date, the US week beside it, the Monday-to-Sunday dates the week covers, and how many weeks the year has.

Past Date CalculatorCount backwards from today by any span — days, weeks, months or years — and get the date with its weekday and week number.