Time difference
Adelaide to Las Vegas Time Difference
Las Vegas is 16 hours and 30 minutes behind Adelaide — when it's 12:00 PM in Adelaide, it's 7:30 PM the previous day in Las Vegas. (Adelaide (Australia/Adelaide, ACST); Las Vegas (America/Los_Angeles, PDT).) Below: live local times, the best hours for a call, a full conversion table, and exact daylight-saving dates.
Las Vegas is 16 hours and 30 minutes behind Adelaide. The best window for a call is 9 AM–9:30 AM in Adelaide, which is 4:30 PM–5 PM in Las Vegas — an overlap of 30 minutes inside 9 AM–5 PM on both sides. Clocks change on October 4, 2026, which briefly shifts the gap between Adelaide and Las Vegas — the converter on this page always reflects the correct offset for the date you pick.
- When it's 9:00 AM in Adelaide, it's 4:30 PM the previous day in Las Vegas.
- When it's 9:00 AM in Las Vegas, it's 1:30 AM the next day in Adelaide.
Las Vegas is currently 16 hours and 30 minutes behind Adelaide.
Interactive converter
12:00PM
--:----
Best times to meet
The 9 AM – 5 PM business windows in Adelaide and Las Vegas overlap for 30 minutes. 9 AM–9:30 AM in Adelaide is 4:30 PM–5 PM in Las Vegas. Aim somewhere in the middle of that window so neither side starts cold or finishes drained.
Quick conversion table
| Adelaide | Las Vegas |
|---|---|
| 12 AM | 7:30 AM (prev day) |
| 1 AM | 8:30 AM (prev day) |
| 2 AM | 9:30 AM (prev day) |
| 3 AM | 10:30 AM (prev day) |
| 4 AM | 11:30 AM (prev day) |
| 5 AM | 12:30 PM (prev day) |
| 6 AM | 1:30 PM (prev day) |
| 7 AM | 2:30 PM (prev day) |
| 8 AM | 3:30 PM (prev day) |
| 9 AM | 4:30 PM (prev day) |
| 10 AM | 5:30 PM (prev day) |
| 11 AM | 6:30 PM (prev day) |
| 12 PM | 7:30 PM (prev day) |
| 1 PM | 8:30 PM (prev day) |
| 2 PM | 9:30 PM (prev day) |
| 3 PM | 10:30 PM (prev day) |
| 4 PM | 11:30 PM (prev day) |
| 5 PM | 12:30 AM |
| 6 PM | 1:30 AM |
| 7 PM | 2:30 AM |
| 8 PM | 3:30 AM |
| 9 PM | 4:30 AM |
| 10 PM | 5:30 AM |
| 11 PM | 6:30 AM |
Daylight saving
On October 4, 2026, Adelaide shifts for daylight saving. After that, Las Vegas will be 17 hours and 30 minutes behind Adelaide (currently 16 hours and 30 minutes behind Adelaide). The converter and the tables above always reflect the correct offset for the date you pick.
- Adelaide is not currently observing daylight saving time (standard time is in effect).
- Las Vegas is currently observing daylight saving time.
Frequently asked questions
- Is Las Vegas ahead of or behind Adelaide?
- Las Vegas is 16 hours and 30 minutes behind Adelaide.
- How many hours behind Adelaide is Las Vegas?
- Las Vegas is 16 hours and 30 minutes behind Adelaide.
- What time is 9 AM in Adelaide in Las Vegas?
- 9:00 AM in Adelaide is 4:30 PM the previous day in Las Vegas.
- What time is noon in Adelaide in Las Vegas?
- 12:00 PM in Adelaide is 7:30 PM the previous day in Las Vegas.
- What time is 5 PM in Adelaide in Las Vegas?
- 5:00 PM in Adelaide is 12:30 AM in Las Vegas. Useful for end-of-day handoffs between the two offices.
- What time is 3 PM in Adelaide in Las Vegas?
- 3:00 PM in Adelaide is 10:30 PM the previous day in Las Vegas.
- Is Adelaide currently observing daylight saving time?
- Adelaide observes daylight saving time seasonally, but is not currently on DST (standard time is in effect).
- Is Las Vegas currently observing daylight saving time?
- Las Vegas is currently observing daylight saving time (summer time).
- Do Adelaide and Las Vegas observe daylight saving?
- On October 4, 2026, Adelaide shifts for daylight saving. After that, Las Vegas will be 17 hours and 30 minutes behind Adelaide (currently 16 hours and 30 minutes behind Adelaide). The converter and the tables above always reflect the correct offset for the date you pick.
- When is the best time to call Las Vegas from Adelaide?
- Aim for 9 AM–9:30 AM in Adelaide, which is 4:30 PM–5 PM in Las Vegas.
- When is the best time to call Adelaide from Las Vegas?
- Aim for 4:30 PM–5 PM in Las Vegas, which is 9 AM–9:30 AM in Adelaide.
- Adelaide (ACST) to Las Vegas (PDT) — how do I convert quickly?
- Subtract 16 hours and 30 minutes from Adelaide local time to get Las Vegas local time. Or use the converter at the top of this page — it stays accurate through daylight-saving changes automatically.
Other conversions
- Adelaide to New York
- Adelaide to London
- Adelaide to Tokyo
- Adelaide to Dubai
- Adelaide to Singapore
- Adelaide to Los Angeles
- Adelaide to Sydney
- Adelaide to Paris
- Adelaide to Mumbai
- Adelaide to Hong Kong