Gerald R. Ford International Airport is 3 hours ahead of San Francisco International Airport.


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Current time

San Francisco International Airport   12:31 PM on Tuesday, Jul 29, 2025

Gerald R. Ford International Airport   3:31 PM on Tuesday, Jul 29, 2025



Map from SFO to GRR

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Meeting planner for San Francisco International Airport and Gerald R. Ford International 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 2:00 PM your time in SFO. That will end up being between 12:00 PM and 5:00 PM in GRR. The chart below shows overlapping times.

Schedule a phone call from SFO to GRR

If you are at SFO and you want to call a friend at GRR, you can try calling them between 4:00 AM and 8:00 PM your time. This will be between 7AM - 11PM their time, since Gerald R. Ford International Airport is 3 hours ahead of San Francisco International Airport.

If you're available any time, but you want to reach someone in GRR at work, you may want to try between 6:00 AM and 2:00 PM your time. This is the best time to reach them from 9AM - 5PM during normal working hours.


UTC-7 hours     UTC-4 hours
SFO     GRR
9:00 AM     12:00 PM
10:00 AM     1:00 PM
11:00 AM     2:00 PM
12:00 PM     3:00 PM
1:00 PM     4:00 PM
2:00 PM     5:00 PM

San Francisco International Airport

IATA: SFO
ICAO: KSFO
FAA: SFO
City: San Francisco
State: California
Zip code: 94128
Country: United States
Category: airports
Time zone: America/Los_Angeles (UTC/GMT -7 hours)

Gerald R. Ford International Airport

IATA: GRR
ICAO: KGRR
FAA: GRR
City: Grand Rapids
State: Michigan
Zip code: 49512
Country: United States
Category: airports
Time zone: America/Detroit (UTC/GMT -4 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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