Best overlap: 10:30 AM to 6:30 PM in Perth is 8:00 AM to 4:00 PM in Delhi.
Shoot for 10:30 AM to 6:30 PM in Perth; your Delhi colleagues will see that as 8:00 AM to 4:00 PM. Delhi is 2.5 hours behind Perth, but you'd hardly notice — 8 hours of shared hours makes this feel like working in neighbouring time zones.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Perth Australia/Perth | ||||||||||||||||||||||||
Delhi Asia/Kolkata |
The US to Australia gap runs 14 to 19 hours depending on the month, and someone is always in tomorrow. Exact overlap windows for every US coast, the double-DST trap, and a rotation rule that keeps it fair. -