World Time Converter

Software Usage Instructions

1. World Clock: Open the tool to view real-time times for 50+ major cities worldwide. Filter by region (Asia, Europe, Americas, Oceania, Africa), or enter a city name, country name, or time zone name in the search box to quickly find your target city.
2. Favorite Frequently Used Cities:
   • Click the star button in the upper-right corner of a city card to add it to favorites
   • Favorited cities are automatically pinned to the top for easy daily viewing
   • Favorite data is saved in your local browser and automatically restored on your next visit
3. Time Zone Conversion:
   • Switch to the "Time Zone Conversion" tab, enter the source time, and select the source time zone
   • Select one or more target time zones, then click "Convert" to view the corresponding times
   • Click "Use Current Time" to quickly fill in the current moment
   • Click the swap button to quickly switch the source time zone and target time zone
4. Cross-Time-Zone Meeting Planning:
   • Switch to the "Meeting Planning" tab and add the cities where all participants are located
   • Select the meeting date, then click "Find Best Time Slots"
   • The system automatically generates a 24-hour timeline comparison table. Green areas indicate working hours, and dark green indicates overlapping working hours for all cities
   • The recommended best meeting time window will be displayed at the bottom
5. Timestamp Conversion:
   • Switch to the "Timestamp Conversion" tab, where the current Unix timestamp is displayed in real time at the top
   • Timestamp → Readable Time: Enter a Unix timestamp (automatic recognition of seconds and milliseconds supported) to convert it to local time, UTC time, and ISO 8601 format
   • Readable Time → Timestamp: Select a date, time, and time zone to convert them to a Unix timestamp
6. Time Format Settings:
   • 24-hour format: Displays the 24-hour format (e.g., 14:30:00), selected by default
   • 12-hour format: Displays the AM/PM format (e.g., 2:30:00 PM)
7. Dark Mode: Click the moon icon on the right side of the local time card to switch between dark/light mode. The setting will be saved automatically.
8. One-Click Copy: Click the copy button in the upper-left corner of a city card to copy the current time for that city to the clipboard; the timestamp page also supports one-click copy.
9. Daylight Saving Time Notice: When a city is currently observing daylight saving time, a "Daylight Saving Time" label will be displayed at the bottom of the card to help you notice time difference changes.

FAQ