The world is really big. But regardless of how big the world is, we can’t all live in the same place. There just isn’t room.
The world is so big, in fact, that it has up to 39 different time zones. Hey, my country alone has seven. In order to organise all these time zones, there is an established method for calculating exactly where you lie in the world compared to everyone else. UTC offset (for me it is UTC+10) makes it very easy to calculate exactly what time it is somewhere else.
So why is it that we are all very protective of our own times; preferring to assume that everyone will automatically know the time you are talking about? I’m pretty sure that if I started talking about AEST and ACST (or the unusual CWST), you’d have to hit up Google for a clue as to where I was.

This leads me to two quite similar pet hates:
1. People who arrange telephone meetings but don’t mention that daylight saving has kicked in and they aren’t operating at the same time as they were the last time you spoke; and
2. Websites and emails that use named timezones (like PST or WEST) but don’t actually mention what the UTC offset for these times are, forcing you to rush off to timeanddate.com to check whether you’ll be awake for the event.
Number 1 in my list is generally very effectively handled by failing to show up for the meeting just once, and then working it out. Number 2 is a little trickier and something that I run into almost every day – not everyone understands the various different timezone names for each country, let alone what time that actually is relative to their own location.
I understand that PST stands for Pacific Standard Time and probably works in cities like LA and San Fransisco, but I don’t automatically know off the top of my head what time that would be when it is 9am in my time zone (AEST). Many websites automatically calculate the time change and adjust the time zone you see, but for static information (especially human generated), could we please include the UTC offset figure when talking about a time that matters, unless we are really, really sure that the only people that will see it will instantly understand what you are talking about?
/rant.
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