Guides
Date & Time Guides
Use these short guides to get more from each tool.
Planning a deadline
Use the date difference calculator to find the exact days remaining, then use the working days calculator to convert that span into real working days after weekends and holidays. That second number is the one to use for staffing and delivery promises.
Scheduling across time zones
Always convert for the exact meeting date, not just today, because daylight saving changes shift offsets during the year. Send the converted time in both zones in your invitation to avoid confusion.
Counting age and eligibility
Use the age calculator for exact years, months, and days when a form or enrollment rule asks for age on a specific date. If the rule uses age on a cutoff date, run the calculation for that cutoff date by comparing birthdays, not only today's age.