Black Hills Airport is the same time as Gillette-Campbell County Airport.


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Current time

Gillette-Campbell County Airport   11:58 PM on Sunday, Jun 8, 2025

Black Hills Airport   11:58 PM on Sunday, Jun 8, 2025



Map from GCC to SPF

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Meeting planner for Gillette-Campbell County Airport and Black Hills Airport

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

Schedule a phone call from GCC to SPF

Since Gillette-Campbell County Airport and Black Hills Airport currently have equivalent time zones, you can call someone during your normal hours and it will be the same time in SPF as it is in GCC. Remember to check daylight savings for any time changes if you are scheduling a call.

If you are at GCC and you want to call a friend at SPF, you can try calling them between 7:00 AM and 11:00 PM your time. This will be between 7AM - 11PM their time, since Black Hills Airport is in the same time zone as Gillette-Campbell County Airport.

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


UTC-6 hours     UTC-6 hours
GCC     SPF
9:00 AM     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     5:00 PM

Gillette-Campbell County Airport

IATA: GCC
ICAO: KGCC
FAA: GCC
City: Gillette
State: Wyoming
Zip code: 82716
Country: United States
Category: airports
Time zone: US/Mountain (UTC/GMT -6 hours)

Black Hills Airport

IATA: SPF
ICAO: KSPF
FAA: SPF
City: Spearfish
State: South Dakota
Country: United States
Category: airports
Time zone: America/Denver (UTC/GMT -6 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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