Help Center

Our date calculations are extremely accurate and account for all factors including leap years, different month lengths, and time zones. We use precise algorithms to ensure the calculations are correct down to the second.

Yes, our time zone converter automatically adjusts for daylight saving time (DST) based on the date you select. We maintain an up-to-date database of DST rules for all major time zones worldwide.

To calculate business days (excluding weekends and holidays):

1. Go to our Business Days Calculator tool
2. Enter your start and end dates
3. Select any additional holidays you want to exclude (optional)
4. Click "Calculate" to see the number of working days

The calculator automatically excludes Saturdays and Sundays by default.

Yes, our Time Calculator allows you to add or subtract any amount of time (years, months, days, hours, minutes, seconds) from a specific date. Simply:

1. Enter your starting date and time
2. Select whether you want to add or subtract time
3. Enter the time duration you want to adjust by
4. Click "Calculate" to see the result

No, all calculations are performed directly in your browser. We don't store any of the dates, times, or other information you enter into our calculators. Your privacy is important to us, and you can use our tools with complete confidence that your data remains private.

To calculate someone's exact age (including years, months, days, etc.):

1. Go to our Age Calculator tool
2. Enter the birth date (and time if known)
3. Optionally enter a specific date to calculate age at that point
4. Click "Calculate Age"

The calculator will show the exact age in multiple formats including total years, months, days, hours, and even seconds if time information is provided.