How Many Days Until Any Date?
Use our free days until date calculator to find out exactly how many days remain until any future date, or how many days have passed since a date in the past. Simply select a date and instantly see the day count along with weeks, months, and hours.
How to Use This Calculator
- Click on the date picker above
- Select any date (past or future)
- Instantly see the number of days
What You Can Calculate
- Days until a birthday - Count down to your special day
- Days until a wedding - Track your upcoming nuptials
- Days until vacation - Build excitement for your trip
- Days since an event - See how long ago something happened
- Days until a deadline - Stay on track with projects
- Days until graduation - Count down to the big day
- Days since you quit smoking - Celebrate milestones
- Days until retirement - Plan for the future
Understanding the Results
The calculator shows:
- Days - The exact number of days between today and your selected date
- Weeks - The equivalent in weeks (decimal)
- Months - The approximate equivalent in months (using 30.44 days average)
- Hours - The total hours in that period
Past vs Future Dates
This calculator works with both future and past dates:
- Future dates show "days until" with a green indicator
- Past dates show "days since" with an orange indicator
- Today's date shows "That's today!" with a red indicator
Common Uses
Personal Events
- Birthdays and anniversaries
- Weddings and engagements
- Due dates and baby countdowns
- Moving day or new home
Professional
- Project deadlines
- Contract end dates
- Product launch countdowns
- Event planning timelines
Health & Wellness
- Days smoke-free
- Sobriety milestones
- Diet or fitness program duration
- Medication schedules
Day Counting Tips
When counting days, remember that the calculation is based on calendar days from midnight to midnight. The count includes the current day but not the target date itself (so "1 day until tomorrow" is correct).