Time in Great Falls and Las Vegas
The time difference between Great Falls, Montana and Las Vegas, Nevada is 1 hour. Las Vegas is 1 hour behind Great Falls.
This means 9am in Great Falls is 8am in Las Vegas and 5pm in Great Falls is 4pm in Las Vegas.
Great Falls
- The current local time in Great Falls is 10:13 pm (June 14, 2026)
- Great Falls is in the Mountain Daylight Time Zone
- The time zone offset for Great Falls, United States, is UTC-06:00
Las Vegas
- The current local time in Las Vegas is 9:13 pm (June 14, 2026)
- Las Vegas is in the Pacific Daylight Time Zone
- The time zone offset for Las Vegas, United States, is UTC-07:00
How to convert Great Falls time to Las Vegas time?
Subtract 1 hour from Great Falls time to get Las Vegas time.
Time in Great Falls
00:00
Time in Las Vegas
00:00
Use the slider above to convert Great Falls time to Las Vegas time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| Great Falls | Las Vegas |
|---|---|
| 12am | 11pm |
| 1am | 12am |
| 2am | 1am |
| 3am | 2am |
| 4am | 3am |
| 5am | 4am |
| 6am | 5am |
| 7am | 6am |
| 8am | 7am |
| 9am | 8am |
| 10am | 9am |
| 11am | 10am |
| 12pm | 11am |
| 1pm | 12pm |
| 2pm | 1pm |
| 3pm | 2pm |
| 4pm | 3pm |
| 5pm | 4pm |
| 6pm | 5pm |
| 7pm | 6pm |
| 8pm | 7pm |
| 9pm | 8pm |
| 10pm | 9pm |
| 11pm | 10pm |
Time difference from Great Falls (UTC-06:00)
-1 hour
-1 hour
+1 hour
+2 hours
-1 hour
+1 hour
+1 hour
+1 hour
+2 hours
+1 hour