Расчёт дней между датами
С Wednesday, March 18, 2026
По Friday, April 17, 2026
Краткий справочник
About Date Calculator
Calculating dates manually can lead to errors, especially when dealing with leap years and different month lengths. Our free online Date Calculator allows you to easily add or subtract days, weeks, months, or years from any given date.
How It Works
The tool uses JavaScript's built-in Date object to perform precise chronological arithmetic. When you input a starting date and specify the duration to add or subtract, it automatically handles the complex calendar logic to output the exact final date.
Common Use Cases
- Determining the exact expiration date of a warranty or contract
- Calculating a future delivery date based on shipping estimates
- Finding out what the date was exactly 90 days ago
- Planning project milestones and deadlines
Frequently Asked Questions
Yes, the underlying calendar logic automatically adjusts for leap years, ensuring your calculations are always 100% accurate.
Yes, you can combine different time units. For example, you can add 1 year, 2 months, and 15 days to a specific date all at once.