Black Hills Airport is 1 hour behind Pierre Regional Airport.


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Current time

Pierre Regional Airport   3:14 AM on Monday, Jun 9, 2025

Black Hills Airport   2:14 AM on Monday, Jun 9, 2025



Map from PIR to SPF

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Meeting planner for Pierre Regional 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 10:00 AM and 5:00 PM your time in PIR. That will end up being between 9:00 AM and 4:00 PM in SPF. The chart below shows overlapping times.

Schedule a phone call from PIR to SPF

If you are at PIR and you want to call a friend at SPF, you can try calling them between 8:00 AM and 12:00 AM your time. This will be between 7AM - 11PM their time, since Black Hills Airport is 1 hour behind Pierre Regional Airport.

If you're available any time, but you want to reach someone in SPF at work, you may want to try between 10:00 AM and 6:00 PM your time. This is the best time to reach them from 9AM - 5PM during normal working hours.


UTC-5 hours     UTC-6 hours
PIR     SPF
10:00 AM     9:00 AM
11:00 AM     10:00 AM
12:00 PM     11:00 AM
1:00 PM     12:00 PM
2:00 PM     1:00 PM
3:00 PM     2:00 PM
4:00 PM     3:00 PM
5:00 PM     4:00 PM

Pierre Regional Airport

IATA: PIR
ICAO: KPIR
FAA: PIR
City: Pierre
State: South Dakota
Zip code: 57501
Country: United States
Category: airports
Time zone: US/Central (UTC/GMT -5 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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