To find a relative date 40 days in the future from 24th May, you can manually calculate it by adding 40 days to the given date.

Start by adding 30 days to bring you to 24th June, and then add another 10 days to reach the final date which would be 4th July.

Therefore, 40 days from 24th May would be 4th July. This method allows you to find future dates without using calendars or date calculators.