Time Zone Calculator

Convert time between zones and plan meetings

Time Zone Calculator

Convert time between time zones and plan international meetings

Source Time

Target Time Zones

GMT/BST (London)
Japan Time (Tokyo)
Sydney Time (AEDT)

Options

GMT/BST (London)

UTC+1 (DST)
01:31
Fri, Jul 25Today

Japan Time (Tokyo)

UTC+9 (DST)
09:31
Fri, Jul 25Today

Sydney Time (AEDT)

UTC+10
10:31
Fri, Jul 25Today

Quick Tips

  • • Business hours: 9 AM - 5 PM local time
  • • DST changes occur at different times globally
  • • Some regions don't observe DST
  • • UTC never changes for DST

1Complete Guide to Time Zone

Convert time between different time zones around the world. This comprehensive guide will help you understand all aspects of time zone and how to use it effectively for your specific needs. Whether you're using this for personal, professional, or educational purposes, you'll find valuable insights and practical tips.

Getting Started

Understanding the basics ensures accurate results: • Input requirements and formats • Common use cases and scenarios • Interpreting output values • Troubleshooting common issues • Best practices for accuracy

Advanced Features

Maximize the calculator's potential: • Multiple calculation modes • Customization options • Saving and comparing results • Integration with other tools • Professional applications


2Tips and Best Practices

Get the most value from your calculations with these expert tips and strategies.

Accuracy and Precision

Ensure reliable results: 1. Double-check input values 2. Use appropriate units 3. Consider significant figures 4. Account for real-world variables 5. Verify with alternative methods when possible

Common Applications

This calculator helps with: • Planning and estimation • Comparison and analysis • Decision making • Problem solving • Educational purposes • Professional requirements

This comprehensive guide is regularly updated to ensure accuracy. Last reviewed: 7/25/2025