General Caster
General Caster includes a collection of automation recipes aimed at performing enhanced calculations in monday.com without using a formula column .
Complete documentation is available here.
From Date to Timeline Formula
Given {item.date}
your Date column placeholder, use the following formula:
CONCATENATE(FORMAT_DATE({item.date}, "YYYY-MM-DD"), ";", FORMAT_DATE(ADD_DAYS({item.date}, 5), "YYYY-MM-DD"))
to update your Timeline column with a range from Date to Date + 5 days.