Time Difference Between Sydney and Las Vegas

The time difference between Sydney and Las Vegas is 18 hours. When it is 12:00 noon in Sydney, it is 18:00 in Las Vegas. Sydney uses the Australia/Sydney time zone (UTC+11), while Las Vegas uses America/Los_Angeles (UTC-7).

Las Vegas is 18 hours behind Sydney — 18 hours
Sydney, Australia
09:29:34
Friday, March 27, 2026
UTC+11 · AEDT (DST)
Las Vegas, United States
15:29:34
Thursday, March 26, 2026
UTC-7 · PDT (DST)

Time Zone Details: Sydney vs Las Vegas

Detail Sydney Las Vegas
Time Zone IDAustralia/SydneyAmerica/Los_Angeles
UTC OffsetUTC+11UTC-7
AbbreviationAEDTPDT
DST ActiveYes — currently observingYes — currently observing
CountryAustraliaUnited States
RegionOceaniaNorth America

Best Time to Schedule a Call

With a 18 hours gap, there is no standard business-hours overlap between Sydney and Las Vegas. One party will need to adjust their schedule. Early mornings in Sydney or late evenings in Las Vegas tend to be the most practical compromise.

Hour-by-Hour Time Conversion

Use this table to quickly convert any hour from Sydney time to Las Vegas time. Rows highlighted in green indicate overlapping business hours in both cities.

Sydney Las Vegas
00:00 06:00 (-1 day) Night
01:00 07:00 (-1 day) Night
02:00 08:00 (-1 day) Night
03:00 09:00 (-1 day) Night
04:00 10:00 (-1 day) Night
05:00 11:00 (-1 day) Night
06:00 12:00 (-1 day)
07:00 13:00 (-1 day)
08:00 14:00 (-1 day)
09:00 15:00 (-1 day) Overlap
10:00 16:00 (-1 day) Overlap
11:00 17:00 (-1 day)
12:00 18:00 (-1 day)
13:00 19:00 (-1 day)
14:00 20:00 (-1 day)
15:00 21:00 (-1 day)
16:00 22:00 (-1 day)
17:00 23:00 (-1 day)
18:00 00:00
19:00 01:00
20:00 02:00
21:00 03:00
22:00 04:00 Night
23:00 05:00 Night

Daylight Saving Time (DST) Impact

Both Sydney and Las Vegas are currently observing daylight saving time. The current 18 hours difference reflects both cities' DST offsets. When one city switches back to standard time before the other, the gap will temporarily change by 1 hour.

Practical Tips for Sydney–Las Vegas Scheduling

Compare Sydney and Las Vegas with Other Cities

From Sydney

From Las Vegas

Frequently Asked Questions

What is the time difference between Sydney and Las Vegas?

The time difference is 18 hours. Las Vegas is 18 hours behind Sydney.

Does the time difference change during the year?

Yes. Both cities observe daylight saving time, but they may switch on different dates, causing the gap to shift by 1 hour temporarily.

When is the best time to call from Sydney to Las Vegas?

There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.

How do I convert Sydney time to Las Vegas time?

Subtract 18 hours from Sydney time to get Las Vegas time. Use the hour-by-hour table above for a quick reference.

Related Pages

For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.