Frequently Asked Questions

Get answers to common questions about WorldTimeApp timezone checker. Learn how to use our global time tool effectively.

What is WorldTimeApp?

WorldTimeApp is a free global timezone checker tool that helps you quickly view current time in major cities worldwide. It supports timezone conversion, daylight saving time information, and multi-language interface.

How do I add cities to my favorites list?

You can search for city names using the search box, then click the "+" button in the search results to add cities to your homepage. You can also click the "Add to Homepage" button on the city detail page.

Is the time display accurate?

Yes, our time display is based on your device's system time and standard timezone database, ensuring accuracy. The time updates every second, including automatic daylight saving time adjustments.

What languages are supported?

WorldTimeApp supports 8 languages: English, Chinese, Japanese, Korean, French, German, Spanish, and Russian. You can select your preferred language using the language switcher in the top right corner.

Is data saved locally?

Yes, your favorite cities list and preference settings are saved in your browser's local storage. This means your data is not sent to servers, completely protecting your privacy.

How to set default timezone?

On any city's detail page, you can click the "Set as Default Timezone" button. Once set, all time comparisons will use that timezone as reference. You can change or clear the default timezone setting at any time.