🔢 Date Calculator
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📌 Understanding Date Calculations
This advanced date calculator can perform various operations:
- Date Difference: Computes the difference between two dates in days, months, and years.
- Add/Subtract Days: Adds or subtracts a specified number of days from a given date.
- Day of Week: Determines the day of the week for a particular date.
📌 Examples of Date Calculations
| Operation | Example | Result |
|---|---|---|
| Date Difference | 2023-01-01 and 2023-01-31 | 30 days (≈1 month) |
| Add Days | 2023-01-01 + 10 days | 2023-01-11 |
| Subtract Days | 2023-01-15 – 5 days | 2023-01-10 |
| Day of Week | 2023-08-15 | Tuesday |
🔧 Practical Applications of Date Calculations
1. Scheduling: Calculate deadlines, appointment durations, or time differences.
2. Planning: Add or subtract days to project start dates and milestones.
3. Analytics: Determine durations between events for statistical analysis.
❓ FAQs
Q1: What formats can I enter dates in?
✅ Use the date picker provided (YYYY-MM-DD format) for accuracy.
Q2: How is the date difference calculated?
✅ The calculator uses the time difference in milliseconds and converts it into days (and approximates months/years).
Q3: Can I add or subtract negative days?
✅ For adding days, enter a positive number; for subtracting days, choose the “Subtract” operation.
Q4: How is the day of the week determined?
✅ The calculator uses JavaScript’s Date functions to determine the weekday.
Q5: Does it account for leap years?
✅ Yes, JavaScript’s Date object automatically handles leap years and month lengths.