LA/Ontario International Airport is 8 hours behind Quatro de Fevereiro International Airport.

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Current time

Quatro de Fevereiro International Airport   4:36 PM on Monday, Jun 30, 2025

LA/Ontario International Airport   8:36 AM on Monday, Jun 30, 2025

Map from LAD to ONT

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Meeting planner for Quatro de Fevereiro International Airport and LA/Ontario International Airport

Unfortunately, there aren't any times that overlap between your normal working hours and theirs. The best we can do with the meeting planner is to expand the range to cover from 8:00 AM to 6:00 PM your time (LAD).

To schedule a conference call or plan a meeting at the best time for both parties, you should try between 4:00 PM and 6:00 PM your time in LAD. That will end up being between 8:00 AM and 10:00 AM in ONT. The chart below shows overlapping times.

Schedule a phone call from LAD to ONT

If you are at LAD and you want to call a friend at ONT, you can try calling them between 3:00 PM and 7:00 AM your time. This will be between 7AM - 11PM their time, since LA/Ontario International Airport is 8 hours behind Quatro de Fevereiro International Airport.

If you're available any time, but you want to reach someone in ONT at work, you may want to try between 5:00 PM and 1:00 AM your time. This is the best time to reach them from 9AM - 5PM during normal working 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.