Date Time Calculator

Use this free tool to add hours or minutes to any specific date and time. Ideal for event planning, deadlines, shift scheduling, or time tracking.

What is a Date Time Calculator?

This tool helps you add time to any date. Enter a base date and time, choose how much time to add (in hours or minutes), and get the updated result instantly.

Why Use This Tool?

Quick and Easy: No signup, no loading — just enter and calculate.
Free Forever: 100% browser-based tool for personal or professional use.
Mobile Friendly: Fully responsive and works on all devices.
Accurate: Supports decimal values like 1.5 for 1 hour 30 minutes.

FAQs

Can I subtract time?

This version supports only addition. Subtraction will be added in future updates.

Is this tool free to use?

Yes, it’s completely free and requires no login or installation.

⏰ Bookmark this Date Time Calculator to plan meetings, calculate deadlines, or track shift end times.