Time zones, explained properly
Short, useful articles about the numbers people get wrong — from TV diagonals that do not match the wall to luggage that misses the limit by a kilo.
How to write a meeting invite that survives every time zone
A meeting invite that says "Tuesday 3pm" is a coin toss the moment it crosses a border. Five fixes, none of which take more than a minute.
Why your recurring meeting moves by an hour twice a year
The US changes its clocks three weeks before the EU. For those three weeks, every standing transatlantic meeting is in the wrong slot — and almost nobody notices until someone misses it.
Working with a US team from Europe: a practical timetable
Europe gets the mornings to itself and the Americans arrive after lunch. Structure the day around that and it works; fight it and you finish at 9pm.
IST means three different things and your invitation does not say which
India Standard Time, Irish Standard Time and Israel Standard Time all abbreviate to IST — and they are up to four and a half hours apart.
The best hours to book a transatlantic call
There are exactly four comfortable hours between London and New York, and three of them are already full. Here is the hour-by-hour map.
UTC is not GMT, and in summer the difference bites
For seven months a year the UK is not on GMT at all. Teams that treat the two as interchangeable end up with incident timelines an hour out.
Deadlines, contracts and invoices: whose clock counts?
"By end of day Friday" is not a deadline. It is a question, and the two parties usually answer it eight hours apart.
Most of the world does not change its clocks
Around 70 countries change their clocks. The majority of the world's population does not — including India, China, Japan, Brazil and Russia.
Why your calendar shows the wrong time after you travel
You land in New York and your 9am dentist appointment back home now says 4am. Nothing is broken — but one setting decides whether that helps or confuses.
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