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Background

Time zones can be quite complicated and are common source of misunderstanding when having to plan a meeting when traveling (it happened to a friend and I recently).

  • In some places there are summer vs winter times while not in other places.
  • Time shift to adjust to another season may occur at different dates at different locations
  • Lots of such variation can exist within a single country.
  • It may happen that two communities at the same location uses different time zone.
  • Some time zone are shifted by 30 minutes only
  • etc..

To get an appreciation of the complexity of time zones, I invite you to have a look at this computerphile video.

Question

Can you give me recommendations of websites that allow one to set a time and date at a given location (and community when different communities at the same location use different time zones) and get the corresponding time and date at another arbitrary location?

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  • 2
    Similar question answered here: stackoverflow.com/questions/16086962/….
    – Urbana
    Commented Mar 21, 2016 at 15:53
  • The and community when different communities at the same location use different time zones is probably too ambitious.
    – gerrit
    Commented Mar 21, 2016 at 16:01
  • 1
    Have you tried: Google? And I am not aware of any community in the same location using different timezones. Furthermore any smartphone running modern OS have a timezone file which sets your time correctly based on your location.
    – Karlson
    Commented Mar 21, 2016 at 16:04
  • @Karlson Arizona does not do DST. The Navajo Reservation (within AZ) observes DST. The Hopi Reservation (within the Navajo Res (within AZ)) does not do DST. :)
    – CGCampbell
    Commented Mar 21, 2016 at 16:33
  • @CGCampbell Goole still works.
    – Karlson
    Commented Mar 21, 2016 at 16:35

3 Answers 3

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The website timeanddate.com has a large number of tools for looking up all sorts of information about, well, times and dates.

They have time calculators, time zone converters, time zone maps, a world clock (what time is it in City X?), a meeting planner to help find the best time for participants in multiple time zones, a list of time changes worldwide, and tons of other tools.

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Add multiple places to compare times anywhere in the world. Click on a row, to adjust time for that place.

Greenwich Mean Time - Time Zone Converter

Your choice of places are saved to browser (no need for registration).

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Wolfram|Alpha can do date-time conversions, for example to convert between Auckland and Rio de Janerio for today

https://www.wolframalpha.com/input/?i=15%3A00+in+Auckland+in+Rio

or to convert for a specific day

https://www.wolframalpha.com/input/?i=15%3A00+1+August+2020+in+Auckland+in+Rio

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