California to CDT time conversion
CDT is 2 hours ahead of California. After the next clock change (): CDT is 3 hours ahead of California.
Time difference with your location
California is 7 hours behind UTC. Compare with your local time →
Choose a date and time
Choose the local time in California to convert it to CDT on that date.
Skipped clock-change times are unavailable; a repeated time uses its first occurrence.
24-hour conversion chart · California → CDT
This table converts each hour in California to CDT on 2026-10-21.
- Working hours
- Outside working hours
- Night hours
| California | CDT | Shared working hours |
|---|---|---|
| 00:0012:00 AM | 02:002:00 AM | |
| 01:001:00 AM | 03:003:00 AM | |
| 02:002:00 AM | 04:004:00 AM | |
| 03:003:00 AM | 05:005:00 AM | |
| 04:004:00 AM | 06:006:00 AM | |
| 05:005:00 AM | 07:007:00 AM | |
| 06:006:00 AM | 08:008:00 AM | |
| 07:007:00 AM | 09:009:00 AM | |
| 08:008:00 AM | 10:0010:00 AM | ✓ |
| 09:009:00 AM | 11:0011:00 AM | ✓ |
| 10:0010:00 AM | 12:0012:00 PM | ✓ |
| 11:0011:00 AM | 13:001:00 PM | ✓ |
| 12:0012:00 PM | 14:002:00 PM | ✓ |
| 13:001:00 PM | 15:003:00 PM | ✓ |
| 14:002:00 PM | 16:004:00 PM | ✓ |
| 15:003:00 PM | 17:005:00 PM | ✓ |
| 16:004:00 PM | 18:006:00 PM | |
| 17:005:00 PM | 19:007:00 PM | |
| 18:006:00 PM | 20:008:00 PM | |
| 19:007:00 PM | 21:009:00 PM | |
| 20:008:00 PM | 22:0010:00 PM | |
| 21:009:00 PM | 23:0011:00 PM | |
| 22:0010:00 PM | 00:0012:00 AM +1 day | |
| 23:0011:00 PM | 01:001:00 AM +1 day |
Quick conversion examples
These examples use California (UTC-7) and CDT (UTC-5); choosing a date applies the local clock changes.
Conversion formula: CDT = California + 2h · CST = California + 2h · California + 3h · CST = California + 1h.
| California | CDT |
|---|---|
| 6:00 AM California | = 8:00 AM CDT |
| 7:00 AM California | = 9:00 AM CDT |
| 8:00 AM California | = 10:00 AM CDT |
| 9:00 AM California | = 11:00 AM CDT |
| 10:00 AM California | = 12:00 PM CDT |
| 12:00 PM California | = 2:00 PM CDT |
| 3:00 PM California | = 5:00 PM CDT |
| 5:00 PM California | = 7:00 PM CDT |
| 6:00 PM California | = 8:00 PM CDT |
| 8:00 PM California | = 10:00 PM CDT |
Overlapping meeting hours
The 08:00–18:00 working day in California and CDT overlaps for 8 hours on 2026-10-21.
- Shared working hours
- 08:00–16:00 California · 10:00–18:00 CDT
Clock changes on both sides, 2026–2028
California and CDT have the following local clock changes in 2026–2028; all times in the table are local to that side.
| Year | California | CDT |
|---|---|---|
| 2026 | · 02:00 → 03:00 · 02:00 → 01:00 | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2027 | · 02:00 → 03:00 · 02:00 → 01:00 | · 02:00 → 03:00 · 02:00 → 01:00 |
| 2028 | · 02:00 → 03:00 · 02:00 → 01:00 | · 02:00 → 03:00 · 02:00 → 01:00 |
At the start of 2026, CST is 2 hours ahead of California. The difference changes during the following periods.
- From 2026-03-08 00:00 California until 2026-03-08 03:00 California, CDT is 3 hours ahead of California.
- From 2026-11-01 00:00 California until 2026-11-01 01:00 California, CST is 1 hour ahead of California.
- From 2027-03-14 00:00 California until 2027-03-14 03:00 California, CDT is 3 hours ahead of California.
- From 2027-11-07 00:00 California until 2027-11-07 01:00 California, CST is 1 hour ahead of California.
- From 2028-03-12 00:00 California until 2028-03-12 03:00 California, CDT is 3 hours ahead of California.
- From 2028-11-05 00:00 California until 2028-11-05 01:00 California, CST is 1 hour ahead of California.
Frequently asked questions
What time is 9 AM California in CDT?
9:00 AM California = 11:00 AM CDT, using UTC-7 and UTC-5. Choose a date above for the seasonal local time.
Does the time difference between California and CDT change during the year?
Yes. During 2026–2028: CDT is 1 hour ahead of California; CDT is 2 hours ahead of California; CDT is 3 hours ahead of California. The clock-change table gives the dates for both sides.
How do I tell whether it is day or night in CDT?
Read the UTC-5 clock above: this guide counts 06:00–18:00 local time as daytime and the rest as nighttime, without using sunrise and sunset.
What is the best time to call between California and CDT?
The shared 08:00–18:00 working window is 08:00–16:00 California / 10:00–18:00 UTC-5, a total of 8 hours.
What is the time difference between California and CDT now?
Right now, UTC-5 is 2 hours ahead of California. Conversion formula: CDT = California + 2h · CST = California + 2h · California + 3h · CST = California + 1h.