Pick up the phone at 17:00 Miami time. That single slot works from Perth, Sydney, and Melbourne, across both DST seasons. The catch: you are calling yesterday. Miami is a full calendar day behind Australia, and forgetting that is what wrecks the meeting.

Book the call for Miami’s late afternoon. Aim for 17:00 to 18:00 Eastern. That hits Perth at 05:00 or 06:00 the next morning, and Sydney or Melbourne between 08:00 and 10:00 the next morning. Do not schedule earlier: Miami mornings land in the middle of the Australian night.

Is Sydney the same time difference as Melbourne?

Yes. Sydney and Melbourne both run on Australian Eastern Standard Time (AEST, UTC+10) and switch to Australian Eastern Daylight Time (AEDT, UTC+11) on the same dates. Every offset for Sydney applies to Melbourne and Canberra. Brisbane stays on AEST year-round and does not observe daylight saving.

How many hours behind is Miami from Sydney?

The gap is 14, 15, or 16 hours. Miami is always behind.

From the second Sunday of March to the first Sunday of November, Miami is on Eastern Daylight Time (EDT, UTC−4). During that window:

  • If Sydney is on AEST (UTC+10), Miami is 14 hours behind. Miami 17:00 is Sydney 07:00 the next day.
  • If Sydney is on AEDT (UTC+11), the gap shrinks to 15 hours.

From the first Sunday of November to the second Sunday of March, Miami is on Eastern Standard Time (EST, UTC−5). Sydney is on AEDT for most of that stretch, so the gap widens to 16 hours. Miami 17:00 is Sydney 09:00 the next day.

Use the Miami vs Sydney page to check the live offset before you dial.

What time should I call Miami from Perth?

Perth runs on Australian Western Standard Time (AWST, UTC+8) and does not observe daylight saving.

  • When Miami is on EST (UTC−5): Perth is 13 hours ahead. Call Miami at 17:00. That is 06:00 the next morning in Perth.
  • When Miami is on EDT (UTC−4): Perth is 12 hours ahead. Call Miami at 17:00. That is 05:00 the next morning in Perth.

The window is tight. A 17:00 Miami call catches Perth at the very start of the business day. If that is too early, send a detailed email instead and ask for a reply by Miami’s close of business.

What time should I call Miami from Sydney or Melbourne?

During Miami EDT (mid-March to early November):

  • Miami 16:00 = Sydney 06:00 (AEST) or 07:00 (AEDT) the next day.
  • Miami 17:00 = Sydney 07:00 (AEST) or 08:00 (AEDT) the next day.

Schedule the call for 17:00 Miami time. That gives you a clean 08:00 or 09:00 start in Sydney during AEDT months, and an early but workable 07:00 during AEST months.

During Miami EST (early November to mid-March):

  • Miami 17:00 = Sydney 09:00 the next day.
  • Miami 18:00 = Sydney 10:00 the next day.

This is the easiest season. A 17:00 Miami call lands at 09:00 Sydney time. Both parties are inside standard business hours.

Time in Miami Sydney (Miami EDT, Sydney AEST) Sydney (Miami EDT, Sydney AEDT) Sydney (Miami EST, Sydney AEDT)
07:00 21:00 22:00 23:00
08:00 22:00 23:00 00:00 (next day)
09:00 23:00 00:00 (next day) 01:00 (next day)
16:00 06:00 (next day) 07:00 (next day) 08:00 (next day)
17:00 07:00 (next day) 08:00 (next day) 09:00 (next day)
18:00 08:00 (next day) 09:00 (next day) 10:00 (next day)

Why does the calendar date flip when I call Miami?

You cross the International Date Line. Sydney is west of it. Miami is east of it. That puts Sydney a full calendar day ahead.

When it is Monday 17:00 in Miami, it is Tuesday 07:00 in Sydney (during AEST). You are not calling the previous day. You are calling from Monday into Tuesday. The person in Sydney is living in your tomorrow.

Before you send the invite, state both dates explicitly: “Monday 17:00 Miami / Tuesday 09:00 Sydney.” That one line prevents half the no-shows.

Skip the “call Miami in the morning” advice

Miami mornings are useless for Australia. Miami 09:00 is Sydney 23:00 at best, and 01:00 the next morning at worst. No business conversation happens then. Block your Miami mornings for other time zones and reserve the 16:00 to 18:00 slot for Australian calls.

Best time to call Miami from Australia at a glance

Your location You call at (local) Miami answers at
Sydney (AEDT) 09:00-10:00 17:00-18:00 the previous day (EST)
Sydney (AEST) 07:00-08:00 17:00-18:00 the previous day (EDT)
Melbourne Same as Sydney Same as Sydney
Perth (AWST) 06:00-07:00 17:00-18:00 the previous day (EST)
Perth (AWST) 05:00-06:00 17:00-18:00 the previous day (EDT)

Miami’s clocks change twice a year. Check the daylight saving changes in Miami page for the exact dates. For live offsets, use the Miami vs Sydney and Miami vs Melbourne tools.