When it's 12.00 noon GMT, the time in Sydney, Australia is 10.00 PM. Sydney is located in the Australian Eastern Standard Time (AEST) time zone, which is 10 hours ahead of Greenwich Mean Time (GMT). This means that when it's midday in Greenwich, England, it's already late evening in Sydney.

Knowing the time difference between two locations is crucial for scheduling meetings, making travel arrangements, or simply keeping in touch with friends and family in different parts of the world. Understanding time zones and how they relate to each other can help avoid misunderstandings and ensure that everyone is on the same page when it comes to coordinating activities across different regions.

For businesses that operate on a global scale, being aware of time differences is essential for maintaining efficient communication and workflow. It's important to consider the time zones of your customers, partners, and colleagues in order to schedule meetings at convenient times and ensure that everyone is available to participate.

When planning international travel, knowing the time difference between your departure and destination cities can help you adjust your schedule and avoid jet lag. It's also helpful for syncing up with local activities and events in your new time zone.

Overall, understanding time zones and how they affect different regions of the world is a valuable skill for navigating our increasingly interconnected global society. Whether you're a frequent traveler, a remote worker, or simply someone who likes to keep in touch with friends and family around the world, knowing the time difference between locations like GMT and Sydney can make a big difference in how you manage your time and stay connected.

So, the next time you're wondering what time it is in Sydney when it's noon in GMT, just remember that it's 10.00 PM – and make sure to adjust your plans accordingly!

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