About Date Time Toolkit
Simple and practical tools for everyday date and time calculations.
What we do
Date Time Toolkit provides free online calculators that help people work with calendar dates, weekdays, business days, age, time durations, and event countdowns.
Our approach
We aim to make calculations straightforward. Each tool is designed around a specific task, with clear inputs and understandable results.
Free to use
Our calculators are available without requiring an account. You can use them directly in a supported web browser.
Accuracy and limitations
We work to make our calculations reliable and explain the methods and assumptions used. Some results depend on calendar conventions, regional rules, or dates supplied by the user.
Contact
If you have a question or notice an issue, visit ourContact page.