Date Tools
How Many Days Are Between Two Dates? (Exact & Simple)
Find the exact number of days between two dates. Learn how date differences work, including leap years and common mistakes.
Articles & Guides
Practical guides for date, HR, and tax calculations
Find the exact number of days between two dates. Learn how date differences work, including leap years and common mistakes.
Need to know what date is 30, 60, or 90 days from today? Here's how date calculations really work—and how to avoid errors.
Confused about business days vs calendar days? Learn the difference, what weekends mean, and how deadlines are calculated.
See how many working days are in each month and why totals change. Useful for payroll, planning, and contracts.
Deadlines are easy to get wrong. Learn how deadlines are calculated and what 'within X days' really means.
Resigning from a job? Learn how to calculate your notice period and find your exact last working day.
Find out when a probation period ends, including common 3- and 6-month examples and edge cases.
Calculate your exact employment duration in years, months, and days—including breaks and edge cases.
Find out which tax year a date falls in. Includes UK and US tax year rules and common mistakes.
Identify which financial quarter a date falls into and see quarter start and end dates clearly.