Date Calculators
Days Since Calculator
Calculate how many days, weeks and months have passed since a selected date.
Private by design: dates are calculated in your browser and are not stored by this plugin.
Result
Enter your dates and press calculate to see the result.
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
This calculator is useful for days since a move, wedding, graduation, project launch, habit start, first day of school or another personal milestone.
Past and future behavior
If the start date is after the calculation date, the result will show days until that future date instead.
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.