Enter any past date and see exactly how many calendar days and full weeks have passed since that date or milestone.
How to use this calculator
- Enter the past date.
- Choose today or another calculation date.
- Press calculate to see days and weeks since that date.
Results are based on calendar date calculations and are intended for everyday planning, reminders and personal milestones.
Use it for memories and milestones
Use this calculator for days since a move, wedding, graduation, project launch, habit start, first day of school or another personal milestone.
For common year-based questions, the related live pages below provide direct answers for dates such as January 1, 2020 and January 1, 2024.
Past and future behavior
If the start date is after the calculation date, the result will show days until that future date instead.
Related date questions and calculators
Continue with a closely related date question without returning to the main calculator directory.
Frequently asked questions
Can it show weeks too?
Yes. It shows total days plus full weeks and remaining days.
Can I choose a date other than today?
Yes. Use the “Calculate on” field.
Does it include time of day?
No. It uses calendar dates only.