Stop Doing Math Before Meetings: The Ultimate Guide to Managing Global Time Zones
Mental gymnastics to figure out what time it is in Tokyo? You're doing it wrong. Here's why your team needs a visual time zone board, not a calculator. -
There is no standard 8-to-6 overlap. Someone joins early or late.
The 13-hour difference means Buenos Aires and Sydney miss each other entirely during regular office hours. Where you can, lean on async updates and save live calls for when one team is happy to start early or stay late. Note that Sydney follows daylight saving while Buenos Aires stays put, so the times above drift by an hour seasonally.
| Local time | 12am | 1am | 2am | 3am | 4am | 5am | 6am | 7am | 8am | 9am | 10am | 11am | 12pm | 1pm | 2pm | 3pm | 4pm | 5pm | 6pm | 7pm | 8pm | 9pm | 10pm | 11pm |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Buenos Aires America/Argentina/Buenos Aires | ||||||||||||||||||||||||
Sydney Australia/Sydney |
Mental gymnastics to figure out what time it is in Tokyo? You're doing it wrong. Here's why your team needs a visual time zone board, not a calculator. -
One in San Francisco, one in London, one in Sydney. Many of the best startups are built this way, and many fail because of it. A practical playbook for co-founder relationships across time zones in the first three years. -
8 AM Tokyo is 4 PM in Los Angeles the day before. West Coast afternoon windows, the East Coast dead zone, and why the Philippines slot is an hour off. -