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Cross-time zone meeting time comparator: Taipei, Tokyo, London and Los Angeles time

Cross-time zone meeting time comparator: Taipei, Tokyo, London and Los Angeles time: purpose and instructions

Enter the Taipei date and time to convert the complete date, day of the week and UTC offset in Tokyo, London and Los Angeles at the same time. Supports daylight saving time and 30-minute adjustment before and after, and can copy the complete comparison.

How to use

  1. Fill in the Taipei date and 24-hour time from 2000–2099, and the result will instantly display the complete date, week, time and UTC offset of the four places.
  2. Use 30 minutes forward or backward to adjust the time in four places together; when switching across midnight, New Year, and daylight saving time, check the date and UTC offset one by one.
  3. Copy the complete time comparison and give it to the other party for confirmation. The input will only keep this page in memory and will not be restored after clearing, leaving or refreshing.

Frequently asked questions

Is the input the time in the city where the device is located?
Always the local date and time of Asia/Taipei, regardless of the city the device is currently located in. Compare the same time in four places and will not predict based on the device time zone.
handle daylight saving time?
Based on the conversion between the specified date and the browser's built-in IANA city time zone rules, the dates in Tokyo Asia/Tokyo, London Europe/London, and Los Angeles America/Los_Angeles are listed together with the UTC offset. The data will be updated with the browser, and the policy may change in the future. There is no guarantee that the data version of all devices will be consistent.
Why may local time go backwards after the fall adjustment?
The end of daylight saving time may repeat the same clock; the same local clock with different UTC offsets represents different times. Please confirm the complete date, time and UTC offset together.
Will my entries be saved or meeting invitations automatically created?
No. Date, time and results are only converted in the memory of this page. They are not uploaded or added to the URL, nor are they automatically saved. They will be cleared by clearing, leaving the tool, or refreshing. Copied content is still delivered by you; there are no calendar invites, notifications, or multi-person schedules.