- Type a city, a country or a zone such as “CET” or “Tokyo”.
Current local time in St. Charles, United States
America/Chicago
Observatory log
St. Charles, observed
- 01Time zone
Central Daylight Time
CDT · UTC−5 · IANA
America/Chicago- 02Daylight saving
Daylight saving time is in effect (CDT)
Last changeSunday, 8 March 2026 at 02:00: clocks go forward 1 hour to 03:00 (CST → CDT).
Next changeSunday, 1 November 2026 at 02:00: clocks go back 1 hour to 01:00 (CDT → CST).
- 03Sun today
- Sunrise07:10Sunset18:25Day length11 h 15 minSolar noon12:47
MoonWaxing crescent, 16% lit
Golden hour06:54–07:46 · 17:49–18:41
- 04Working hours
Counted as 09:00–17:00 local; the weekend in United States is Saturday and Sunday.
- 05Best time to call
- 06Time zones in United States
- HonoluluHST
- AtkaHDT
- AnchorageAKDT
- JuneauAKDT
- MetlakatlaAKDT
- NomeAKDT
- KetchikanAKDT
- YakutatAKDT
- Los AngelesPDT
- PhoenixMST
- BoiseMDT
- DenverMDT
and 17 more zones.
- 07Also on this clock
- 08Coordinates
38.78° N, 90.51° W · Missouri
Differences
St. Charles and the world
| City | Local time | Difference from St. CharlesDiff. |
|---|---|---|
 London | +6 h | |
 New York | +1 h | |
| Los Angeles | −2 h | |
| Chicago | Same time | |
 São Paulo | +2 h | |
 Paris | +7 h | |
 Dubai | +9 h | |
 Mumbai | +10 h 30 min | |
 Singapore | +13 h | |
 Hong Kong | +13 h | |
 Tokyo | +14 h |
Plan a meeting with St. Charles
More cities in United States
Questions
Asked about St. Charles
What time zone is St. Charles in?
St. Charles uses Central Daylight Time (CDT), UTC−5. Its IANA time-zone ID is America/Chicago.
Does St. Charles use daylight saving time?
Yes. The next change is on Sunday, 1 November 2026 at 02:00: clocks go back 1 hour to 01:00 (CDT → CST).
When does the sun rise and set in St. Charles today?
Today in St. Charles the sun rises at 07:10 and sets at 18:25, giving 11 h 15 min of daylight.