TIME ZONE CONVERTER
San Diego to Chicago
Time Converter
Convert San Diego, United States to Chicago, United States. Compare dates, seasonal differences and meeting hours.
San Diego is 1h, 2h, or 3h behind Chicago in 2026, depending on the date.
9 AM San Diego = 11 AM Chicago
Selected date: November 10, 2026.
THE QUICK REFERENCE
CSVSan Diego to Chicago conversion table
November 10, 2026 · Date changes are marked.
View the full 24-hour table
| San Diego | Chicago |
|---|---|
| 12:00 AM | 2:00 AM |
| 1:00 AM | 3:00 AM |
| 2:00 AM | 4:00 AM |
| 3:00 AM | 5:00 AM |
| 4:00 AM | 6:00 AM |
| 5:00 AM | 7:00 AM |
| 6:00 AM | 8:00 AM |
| 7:00 AM | 9:00 AM |
| 8:00 AM | 10:00 AM |
| 9:00 AM | 11:00 AM |
| 10:00 AM | 12:00 PM |
| 11:00 AM | 1:00 PM |
| San Diego | Chicago |
|---|---|
| 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 | 6:00 PM |
| 5:00 PM | 7:00 PM |
| 6:00 PM | 8:00 PM |
| 7:00 PM | 9:00 PM |
| 8:00 PM | 10:00 PM |
| 9:00 PM | 11:00 PM |
| 10:00 PM | 12:00 AM +1 day |
| 11:00 PM | 1:00 AM +1 day |
Starting with the Chicago working day
These examples start on 2026-11-10 in Chicago.
09:00 Chicago07:00 →San Diego · 2026-11-10
17:00 Chicago15:00 →San Diego · 2026-11-10
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 San Diego to Chicago throughout 2026
09:00 in San Diego converts to 11:00 in Chicago on every date in 2026. The destination has the same calendar date.
| Dates in San Diego · 2026 | Chicago answer | Source → destination offsets | Explore |
|---|---|---|---|
| Jan 1 – Mar 766 dates | 11:00Same date | UTC−08:00 → UTC−06:00 | |
| Mar 8 – Oct 31238 dates | 11:00Same date | UTC−07:00 → UTC−05:00 | |
| Nov 1 – Dec 3161 dates | 11:00Same date | UTC−08:00 → UTC−06:00 |
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does San Diego time become a different date in Chicago?
Your complete source day: 2026-11-10. Each range shows which destination date to use.
San Diego · 2026-11-1000:00–22:00UTC−08:00
Chicago · 2026-11-1002:00–24:00UTC−06:00 Same date
San Diego · 2026-11-1022:00–24:00UTC−08:00
Chicago · 2026-11-1100:00–02:00UTC−06:00 Next day
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026A year of time differences.
How Chicago compares with San Diego throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
+2h
+3h
+2h
+1h
+2h
Both San Diego and Chicago change their clocks in 2026. The chart shows whether those changes alter the difference.
See exact change periods
| From (UTC, inclusive) | Until (UTC, exclusive) | Chicago vs San Diego |
|---|---|---|
| 1 Jan 2026, 00:00 UTC | 8 Mar 2026, 08:00 UTC | 2h ahead |
| 8 Mar 2026, 08:00 UTC | 8 Mar 2026, 10:00 UTC | 3h ahead |
| 8 Mar 2026, 10:00 UTC | 1 Nov 2026, 07:00 UTC | 2h ahead |
| 1 Nov 2026, 07:00 UTC | 1 Nov 2026, 09:00 UTC | 1h ahead |
| 1 Nov 2026, 09:00 UTC | 1 Jan 2027, 00:00 UTC | 2h ahead |
CLOCK CHANGES
What changes at the next clock adjustment?
Exact periods outside the most common difference in 2026
The most frequent difference has Chicago 2h ahead relative to San Diego. Exceptions:
| From (UTC, inclusive) | Until (UTC, exclusive) | Compared with San Diego |
|---|---|---|
| 8 Mar 2026, 08:00 UTC | 8 Mar 2026, 10:00 UTC | 3h ahead |
| 1 Nov 2026, 07:00 UTC | 1 Nov 2026, 09:00 UTC | 1h ahead |
PLAN BEYOND A SINGLE DAY
Daily CSVSan Diego–Chicago working hours through 2026
Every date calculated with your working windows. 261 selected San Diego workdays; public holidays are not applied.
Least shared time6h
Most common6h
Most shared time6h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in San Diego 09:00–14:00.
These starts fit both working windows on every selected San Diego workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
San Diego: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Chicago: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
TWO PLACES. ONE CONNECTION.
≈ 2,785 km apartAcross the map. Across the clock.
THE DETAILS THAT MATTER
San Diego to Chicago: useful answers
Does the San Diego to Chicago difference stay the same all year?
San Diego is 1h, 2h, or 3h behind Chicago in 2026, depending on the date. Both San Diego and Chicago change their clocks in 2026. The chart shows whether those changes alter the difference.
Does the San Diego–Chicago time difference change in 2026?
The published rules produce 5 periods with 3 different offsets in 2026. See the annual chart for the exact boundaries of each period.
Does this conversion change the calendar date?
09:00 in San Diego on 2026-11-10 is 11:00 in Chicago on 2026-11-10. This selected time stays on the same date in both places. Other times can cross midnight.
Can San Diego and Chicago meet during working hours?
Your selected working windows share 6h on 2026-11-10. The planner above checks the whole meeting duration and shows suitable start times. Edit the windows to match your team.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology