San Diego to Jacksonville Time Difference
Jacksonville is 3 hours ahead of San Diego. When it's 05:58:19 AM in San Diego, it's 08:58:19 AM in Jacksonville.
How Many Hours Ahead Is Jacksonville From San Diego?
Jacksonville is 3 hours ahead of San Diego. So San Diego is 3 hours behind Jacksonville looking the other way — the same gap, described from the other end.
In practice that means a working day in San Diego starts when it is already 12:00 PM in Jacksonville. The gap is not fixed all year: it becomes 2 hours on Sunday, November 1, 2026, when Jacksonville changes its clocks.
Best Time to Call San Diego and Jacksonville
Both cities are inside normal business hours between 9:00 AM and 2:00 PM in San Diego — that's 12:00 PM to 5:00 PM in Jacksonville. That's a 5-hour window, so a call fits comfortably in either side's working day.
both at work San Diego only Jacksonville only neither — hours shown along the strip are San Diego local time.
Convert a Specific Time
Pick any date and time in San Diego to see the exact equivalent in Jacksonville.
Common Times Converted
San Diego time on the left, Jacksonville time on the right.
San Diego to Jacksonville: Full 24-Hour Conversion Table
Based on today, Sunday, October 11, 2026 in San Diego. Shaded rows are working hours; the darker shade marks the hours when both cities are at work.
| San Diego | Jacksonville | Working hours |
|---|---|---|
| 12:00 AM | 3:00 AM | — |
| 1:00 AM | 4:00 AM | — |
| 2:00 AM | 5:00 AM | — |
| 3:00 AM | 6:00 AM | — |
| 4:00 AM | 7:00 AM | — |
| 5:00 AM | 8:00 AM | — |
| 6:00 AM | 9:00 AM | Jacksonville only |
| 7:00 AM | 10:00 AM | Jacksonville only |
| 8:00 AM | 11:00 AM | Jacksonville only |
| 9:00 AM | 12:00 PM | Both cities |
| 10:00 AM | 1:00 PM | Both cities |
| 11:00 AM | 2:00 PM | Both cities |
| 12:00 PM | 3:00 PM | Both cities |
| 1:00 PM | 4:00 PM | Both cities |
| 2:00 PM | 5:00 PM | San Diego only |
| 3:00 PM | 6:00 PM | San Diego only |
| 4:00 PM | 7:00 PM | San Diego only |
| 5:00 PM | 8:00 PM | — |
| 6:00 PM | 9:00 PM | — |
| 7:00 PM | 10:00 PM | — |
| 8:00 PM | 11:00 PM | — |
| 9:00 PM | 12:00 AM next day | — |
| 10:00 PM | 1:00 AM next day | — |
| 11:00 PM | 2:00 AM next day | — |
Understanding the San Diego – Jacksonville Time Difference
San Diego runs on America/Los_Angeles, currently PDT (UTC-7:00). Jacksonville runs on America/New_York, currently EDT (UTC-4:00). The gap of 3 hours is simply the distance between those two offsets.
Both cities observe Daylight Saving Time, but they don't switch on the same date — so for a few weeks each year the gap between them is different again. The next shift is on Sunday, November 1, 2026, when Jacksonville adjusts its clocks and the difference becomes 2 hours. Anything scheduled across that date needs checking again.
Full clock-change dates: Daylight Saving Time in the United States.
San Diego today
Jacksonville today
Frequently Asked Questions
What is the time difference between San Diego and Jacksonville?
Jacksonville is currently 3 hours ahead of San Diego. That gap becomes 2 hours on Sunday, November 1, 2026, when Jacksonville changes its clocks.
How many hours ahead is Jacksonville from San Diego?
Jacksonville is 3 hours ahead of San Diego. Looking at it the other way, San Diego is 3 hours behind Jacksonville.
What time is it in Jacksonville when it is 9:00 AM in San Diego?
When it is 9:00 AM in San Diego, it is 12:00 PM in Jacksonville.
Is Jacksonville ahead of or behind San Diego?
Jacksonville is 3 hours ahead of San Diego. Jacksonville reaches each point in the day first, so its working day is already finishing while San Diego is still getting started.
What is the best time to call between San Diego and Jacksonville?
Between 9:00 AM and 2:00 PM San Diego time, which is 12:00 PM to 5:00 PM in Jacksonville. Both cities are inside normal business hours during that window.
Does the time difference between San Diego and Jacksonville change during the year?
Yes. Both cities observe Daylight Saving Time, and they do not always switch on the same date, so the gap between them shifts during the year. It changes to 2 hours on Sunday, November 1, 2026.
What time zones are San Diego and Jacksonville in?
San Diego uses the America/Los_Angeles time zone, currently PDT (UTC-7:00). Jacksonville uses America/New_York, currently EDT (UTC-4:00).