Los Angeles to Philadelphia Time Difference

How many hours is Los Angeles behind Philadelphia?

Philadelphia is 3 hours ahead of Los Angeles. When it is 12:00 noon in Los Angeles, it is 15:00 in Philadelphia. Los Angeles operates on America/Los Angeles (UTC-7), while Philadelphia uses America/New York (UTC-4).

Best time to call between Los Angeles and Philadelphia

There are 5 hours of overlapping business time (9 AM–5 PM) between Los Angeles and Philadelphia. The best window is 09:00–14:00 Los Angeles time (12:00–17:00 in Philadelphia).

Does the Los Angeles–Philadelphia time difference change?

The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.

Flying between Los Angeles and Philadelphia

The distance between Los Angeles and Philadelphia is approximately 3,843 km. A direct flight typically takes around 5.5 hours. Your arrival clock will show local Philadelphia time — use our Flight Time Calculator to predict exact arrival times.