Date Difference Calculator
Calculate days, weeks, calendar difference, and weekdays between two dates.
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Calculate total days, weeks, and weekdays between dates
Date Difference Calculator compares a start date and an end date to show total days, week count, calendar-style difference, and weekdays. It is useful for project sprints, contract terms, subscription periods, trips, visa preparation, and any date range you need to explain clearly.
Useful For
- Measure project sprint or contract duration
- Check trip, subscription, or preparation periods
- Estimate weekdays excluding weekends
Good To Know
Public holidays are not included in the default weekday calculation. For legal deadlines, contracts, and visa timelines, confirm the official date rules and holiday calendar.
Result Check
Try an example first to understand the input flow. Before submitting, sharing, or copying important output, compare the result with the original source once more.
How It Works
Inputs are calculated or converted in the browser whenever possible. Compare important results with the original source before using them. Reviewed on Jun 26, 2026.
Date difference checks
Pick the range
- Enter start and end dates on the same timezone basis
- Use include-end-date for contracts, subscriptions, and stays where the last day counts
- For hotels and travel, decide first whether you need nights, days, or calendar dates
Weekdays
- Weekday count excludes weekends by default
- Add national holidays, company closures, or observed holidays separately
- International schedules may follow different weekend and holiday rules
Review
- Separate days, weeks, and calendar difference for your use case
- Native date input placeholders can follow the device language
- For visa, insurance, and contract periods, compare with the agency's required counting method
Sharing and records
- Share links keep example dates only and do not store custom dates
- Record final dates separately in your calendar or work document
- When exact time matters, check Server Time or Timezone Converter too
Yes. Turn on the include-end-date option for contract terms, trips, subscriptions, and ranges where the final day should count.
Weekday counting excludes weekends only. National holidays, company closures, and observed holidays should be checked separately.
Native date inputs may follow your device or browser language. Tool labels and result copy are managed by the selected site language.