Semester Week Number
Enter the semester's start date and another date to determine how many weeks into the term it falls.
Academic calendars vary; verify week numbers with your institution.
Examples
- Start 2025-01-15, date 2025-02-12 ⇒ 5
- Start 2025-08-25, date 2025-08-25 ⇒ 1
- Start 2025-08-25, date 2025-12-10 ⇒ 16
FAQ
Does week counting start at 1?
Yes, the first week begins on the semester start date.
What if the date is before the start?
The result can be zero or negative, indicating pre-semester.
Are leap years handled?
Yes, JavaScript date arithmetic accounts for them.
Does it assume 7-day weeks?
Yes, each week is treated as a 7-day period.
Additional Information
- Week numbers are calculated using complete 7-day periods.
- Dates before the start return zero or negative values.