Online Date Calculator

This is a simple and practical tool to calculate the difference between two dates.

Enter dates and click calculate

(all optional hh:mm:ss)

Enter the earliest (oldest) date to calculateStart Date
📅 Today⏪ Yesterday🎉 Jan 1st
Enter the longest (most recent) date to calculateEnd Date
📅 Today⏩ +7 Days🚀 +30 Days✨ +1 Year
Dates in format
Result in

What is a date calculator?

It is a tool for you to be able to calculate the difference between two dates, getting the result in weeks, days, hours, minutes or seconds. How it works? Enter the dates you want to calculate and then click calculate. You can choose the date format and result metric.

Examples of date calculations

Example 1

YYYY-MM-DD
Query: "Difference between two dates"
Start: Date 1 (oldest): 2001-01-01
End: Date 2 (most recent): 2020-03-15
Expected: 7013 day(s)

Example 2

With Time
Query: "Difference between two dates with hours"
Start: Date 1 (oldest): 2001-01-01 18:05:00
End: Date 2 (most recent): 2020-03-15 13:05:00
Expected: 7012 day(s)