There is no standard 8-to-6 overlap. Someone joins early or late.
Coordinating Chicago and Singapore is tricky: 13 hours of separation means their standard hours don't intersect. Async-first is your friend here. Reserve real-time meetings for the rare occasions someone can log on before or after hours. Watch the DST gap — when Chicago changes its clocks and Singapore stays the same, this window slides by an hour.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chicago America/Chicago | ||||||||||||||||||||||||
Singapore Asia/Singapore |
An 8 AM Pacific launch is 5 PM in London and 1 AM in Sydney. Your blog post, your engineering on-call, your support team, and your Twitter schedule are all picking different hours. Here is how to plan a launch that does not embarrass you in any time zone. -
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. -
WorldTimeBuddy is a very good time converter. Timezoners is a shared overlap board for a team you meet with every week. An honest comparison of where each one wins. -