Semester End Date Calculator
Counts forward from the first day of a semester to its last.
Last day of the semester
—
Share sends a link that reopens these numbers. Copy details pastes the full breakdown as a list.
Length in days —
Days left —
Share of the semester gone — %
The formula
last day = first day + (weeks × 7) − 1
Your academic calendar sets the real date, and may end part-way through a week.
What to watch out for
Add up teaching, break and exam weeks from the academic calendar. Starting on a Monday, it ends on a Sunday.
Frequently Asked Questions
How long is a semester?
Often 15 to 18 weeks in the US and elsewhere, but it varies by institution and country.
How many days is a 17-week semester?
119 days.