San Jose to Sioux City, IA: time difference
Sioux City, IA is 1 h ahead of San Jose. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
San Jose 01:55 1:55 AM Sioux City, IA 02:55 2:55 AM You –:–
01:55 1:55 AM
Central Standard Time · UTC-6
☀️ 05:25 · 🌙 17:22
02:55 2:55 AM
Central Daylight Time · UTC-5
☀️ 07:36 · 🌙 18:50
·
+1 h
Sioux City, IA is 1 h ahead of San Jose.
When you, San Jose and Sioux City, IA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇷 San Jose
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇺🇸 Sioux City, IA
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇨🇷 San Jose | 🇺🇸 Sioux City, IA |
|---|---|---|
| Local time | 01:55 | 02:55 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Central Standard Time | Central Daylight Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from San Jose | — | +1 h |
| IANA zone | America/Costa Rica | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 05:25 | 07:36 |
| Sunset | 17:22 | 18:50 |
| Daylight | 11 h 56 min | 11 h 14 min |
| People on this clock | 342,188 | 85,797 |
Compare San Jose with another city
More comparisons with San Jose: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Jose and Sioux City, IA: common questions
What is the time difference between San Jose and Sioux City, IA?
Sioux City is 1 hour ahead: it uses UTC−5, while San Jose is on UTC−6.
What time is it in Sioux City, IA, when it is 9:00 AM in San Jose?
When it is 9:00 AM in San Jose, it is 10:00 AM in Sioux City.
If it is 6:00 PM in San Jose, what time is it in Sioux City, IA?
At 6:00 PM in San Jose, clocks in Sioux City show 7:00 PM.
When do working hours in San Jose and in Sioux City, IA, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in San Jose, which is 10:00 AM to 6:00 PM in Sioux City.
From what time in San Jose is it tomorrow in Sioux City, IA?
Once it is 11:00 PM in San Jose, the date in Sioux City has already changed. Until 1:00 AM in Sioux City, it is still the previous day in San Jose.
Is the time difference between San Jose and Sioux City, IA, the same all year?
No. Only Sioux City switches to summer time, so the gap changes twice a year. From November 1, 2026, Sioux City and San Jose will have the same time.
