Katy, TX to San Jose: time difference
San Jose is 1 h behind Katy, TX. 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.
Katy, TX 15:37 3:37 PM San Jose 14:37 2:37 PM You –:–
15:37 3:37 PM
Central Daylight Time · UTC-5
☀️ 07:29 · 🌙 18:49
14:37 2:37 PM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−1 h
San Jose is 1 h behind Katy, TX.
When you, Katy, TX and San Jose are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 Katy, TX
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
🇨🇷 San Jose
23 11 PM 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
📍 Your time
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- Early
- Working hours
- Evening
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Time zones side by side
| Detail | 🇺🇸 Katy, TX | 🇨🇷 San Jose |
|---|---|---|
| Local time | 15:37 | 14:37 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Katy, TX | — | −1 h |
| IANA zone | America/Chicago | America/Costa Rica |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:29 | 05:26 |
| Sunset | 18:49 | 17:18 |
| Daylight | 11 h 20 min | 11 h 52 min |
| People on this clock | 14,102 | 342,188 |
Compare Katy, TX with another city
More comparisons with Katy, TX: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Katy, TX and San Jose: common questions
How many hours behind Katy, TX, is San Jose?
The clocks in San Jose are 1 hour behind those in Katy (UTC−6 and UTC−5).
What time is it in San Jose at the start of the working day in Katy, TX?
The working day in Katy starts at 9:00 AM; in San Jose it is 8:00 AM at that moment.
What time is it in San Jose when it is 6:00 PM in Katy, TX?
When it is 6:00 PM in Katy, it is 5:00 PM in San Jose.
When do working hours in Katy, TX, and in San Jose overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Katy, which is 9:00 AM to 5:00 PM in San Jose.
Until what time in Katy, TX, is it still yesterday in San Jose?
Before 1:00 AM in Katy, the date in San Jose has not changed yet. From 11:00 PM in San Jose, it is already the next day in Katy.
Is the time difference between Katy, TX, and San Jose the same all year?
No. Only Katy switches to summer time, so the gap changes twice a year. From November 1, 2026, San Jose and Katy will have the same time.
