Granite City, Illinois is 1 hour ahead of Butte, Montana.


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Current time

Butte, Montana   9:32 AM on Thursday, Jul 10, 2025

Granite City, Illinois   10:32 AM on Thursday, Jul 10, 2025



Map from Butte, MT to Granite City, IL

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Meeting planner for Butte, Montana and Granite City, Illinois

To schedule a conference call or plan a meeting at the best time for both parties, you should try between 9:00 AM and 4:00 PM your time in Butte, MT. That will end up being between 10:00 AM and 5:00 PM in Granite City, IL. The chart below shows overlapping times.

Schedule a phone call from Butte, MT to Granite City, IL

If you live in Butte, MT and you want to call a friend in Granite City, IL, you can try calling them between 6:00 AM and 10:00 PM your time. This will be between 7AM - 11PM their time, since Granite City, Illinois is 1 hour ahead of Butte, Montana.

If you're available any time, but you want to reach someone in Granite City, IL at work, you may want to try between 8:00 AM and 4:00 PM your time. This is the best time to reach them from 9AM - 5PM during normal working hours.


UTC-6 hours     UTC-5 hours
Butte, MT     Granite City, IL
9:00 AM     10:00 AM
10:00 AM     11:00 AM
11:00 AM     12:00 PM
12:00 PM     1:00 PM
1:00 PM     2:00 PM
2:00 PM     3:00 PM
3:00 PM     4:00 PM
4:00 PM     5:00 PM

Butte, Montana

City: Butte
State: Montana
Country: United States
Category: cities
Time zone: US/Mountain (UTC/GMT -6 hours)

Granite City, Illinois

City: Granite City
State: Illinois
Country: United States
Category: cities
Time zone: America/Chicago (UTC/GMT -5 hours)

Time difference

Travelmath provides an online time zone converter for places all over the world. You can enter airports, cities, states, countries, or zip codes to find the time difference between any two locations. The calculator will automatically adjust for daylight saving time (DST) in the summer. You can use it as a meeting planner or a scheduler to find the best time to make international phone calls. World time zones have a positive or negative offset computed from Coordinated Universal Time (UTC), or Greenwich Mean Time (GMT). UTC has uniform seconds defined by International Atomic Time (TAI), with leap seconds announced at irregular intervals to compensate for the Earth's slowing rotation. The tz database or zoneinfo database uses the closest city, rather than the more common Eastern, Central, Mountain or Pacific time zones in the United States. Countries often change their daylight saving rules, so please help us stay current by letting us know if you find any pages that need updates.


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