1. What is Weeks Between Dates Calculation?

The Weeks Between Dates calculation determines the exact number of weeks between two calendar dates. This is useful for project planning, pregnancy tracking, academic scheduling, and other time-sensitive activities.

2. How Does the Calculator Work?

The calculator uses the following formula:

Where:

• End Date — The later date in the range
• Start Date — The earlier date in the range
• 7 — The number of days in a week

Explanation: The calculation first determines the total days between dates, then divides by 7 to convert to weeks.

3. Importance of Weeks Calculation

Details: Accurate week calculations help in project management, medical treatments, academic planning, and any scenario requiring precise time measurement between events.

4. Using the Calculator

Tips: Enter both start and end dates in the format YYYY-MM-DD. The end date should be equal to or later than the start date for meaningful results.

5. Frequently Asked Questions (FAQ)

Q1: Does this count calendar weeks or just 7-day periods?
A: This calculates exact 7-day periods between dates, not calendar weeks (Sunday-Saturday).

Q2: How are partial weeks handled?
A: Partial weeks are shown as decimal values (e.g., 3.57 weeks).

Q3: Does this account for leap years?
A: Yes, the date difference calculation automatically accounts for leap years.

Q4: What's the maximum date range this can handle?
A: The calculator can handle any valid date range supported by PHP's DateTime class.

Q5: Can I calculate weeks from today?
A: Yes, simply use today's date as either the start or end date.