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UTC · Coordinated Universal Time

World Time Kit

Current Local Time in St. Louis

United States America/Chicago CDT UTC-5 Daylight saving time

6:29:44 AM

Sunday, August 2, 2026

Daytime UTC-5 (-05:00)

Static values shown for ; your browser updates them to the current second.

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UTC-5

UTC-6 standard / UTC-5 summer

Abbreviation

CDT

CST / CDT

Daylight saving

Daylight saving time

Next change November 1, 2026

IANA time zone

America/Chicago

United States · North America

St. Louis time zone

St. Louis moves its clocks twice a year, so no single offset describes it. It runs UTC-6 as CST in winter and UTC-5 as CDT in summer. In 2026 the switch to CDT happens on March 8, 2026 and the return to CST on November 1, 2026.

IANA time zone
America/Chicago
Offset in standard time
UTC-6 (CST)
Offset in daylight saving time
UTC-5 (CDT)
Daylight saving starts (2026)
March 8, 2026 at 03:00
Daylight saving ends (2026)
November 1, 2026 at 01:00
Most recent clock change
March 8, 2026 — clocks go forward 1 hour, from 02:00 CST to 03:00 CDT
Next clock change
November 1, 2026 — clocks go back 1 hour, from 02:00 CDT to 01:00 CST
When it is 12:00 UTC
6:00 AM in January · 7:00 AM in July

Clock changes in St. Louis, 2026–2028

Full record for St. Louis → ten years back and ten forward, with each year's DST window.

Every scheduled clock change for America/Chicago, computed from the IANA time zone database. Local times are the wall-clock readings in St. Louis.
Date Change Local time Offset after Then called
March 8, 2026 Forward 60 min 01:59 → 03:00 UTC-05:00 CDT (DST)
November 1, 2026 Back 60 min 01:59 → 01:00 UTC-06:00 CST (standard)
March 14, 2027 Forward 60 min 01:59 → 03:00 UTC-05:00 CDT (DST)
November 7, 2027 Back 60 min 01:59 → 01:00 UTC-06:00 CST (standard)
March 12, 2028 Forward 60 min 01:59 → 03:00 UTC-05:00 CDT (DST)
November 5, 2028 Back 60 min 01:59 → 01:00 UTC-06:00 CST (standard)

Sun and moon in St. Louis

Computed for 38.6270°, -90.1994° on August 2, 2026.

Sunrise

6:03 AM

Sunset

8:10 PM

Day length

14h 07m

−1m 54s vs yesterday

Solar noon

1:07 PM

Sun at its highest

00:0006:0012:0018:0024:00
Twilight phases in St. Louis on August 2, 2026.
Phase Morning Evening Sun's altitude
Astronomical twilight 4:19 AM 9:54 PM −18° to −12°
Nautical twilight 4:58 AM 9:15 PM −12° to −6°
Civil twilight 5:34 AM 8:39 PM −6° to −0.833°
Sunrise / sunset 6:03 AM 8:10 PM −0.833° (upper limb at the horizon)

Across 2026, daylight in St. Louis runs from about 9h 28m at the shortest day to 14h 52m at the longest.

Moon

Waning gibbous

80% illuminated · 19.1 days into the cycle · waning

Moonrise
10:10 PM
Moonset
10:03 AM
Next full moon
Aug 27, 11:19 PM
Next new moon
Aug 12, 12:38 PM

Sun and moon figures are computed locally from standard astronomical series (NOAA solar equations and Meeus' lunar terms) — accurate to about a minute at mid latitudes, and less near the poles where the sun crosses the horizon at a shallow angle.

Weather in St. Louis

Loading current weather for St. Louis.

Time difference between St. Louis and other cities

Differences are computed from each city's own zone rules, so pairs whose clocks change on different dates show more than one value across the year.

Local time in each city at the same instant, relative to St. Louis.
City Local time Difference Across the year
New York United States 7:29 AM +1h Varies: +1h / +2h / ±0h
Sao Paulo Brazil 8:29 AM +2h Varies: +2h / +3h
London United Kingdom 12:29 PM +6h Varies: +6h / +5h
Tel Aviv Israel 2:29 PM +8h Varies: +8h / +7h
Cairo Egypt 2:29 PM +8h Varies: +8h / +7h
Mumbai India 4:59 PM +10:30h Varies: +10:30h / +11:30h
Sydney Australia 9:29 PM +15h Varies: +15h / +17h / +16h
Los Angeles United States 4:29 AM −2h Varies: −2h / −3h / −1h

St. Louis at a glance

Region
North America
Coordinates
38.6270° N, 90.1994° W
IANA time zone
America/Chicago
Currency
USD
Language
English
Usual clock notation
12-hour

Only fields we can source are listed; nothing on this page is estimated. Sources are in data sources .

Perguntas frequentes

What time is it in St. Louis right now?

The clock at the top of this page shows the current local time in St. Louis, United States, updated every second from your device's clock and converted with the America/Chicago time zone rules. St. Louis currently runs at UTC-5 (CDT), and switches between UTC-6 and UTC-5 across the year.

What time zone is St. Louis in?

The IANA identifier for St. Louis is America/Chicago. Its abbreviation is CST in standard time and CDT while daylight saving time is in force.

What is the UTC offset in St. Louis?

St. Louis has two offsets. It runs at UTC-6 during standard time and at UTC-5 during daylight saving time, which is why a single fixed offset for St. Louis is always wrong for part of the year. In 2026 the daylight saving period runs from March 8, 2026 to November 1, 2026.

Does St. Louis observe daylight saving time?

Yes. St. Louis changes its clocks twice in 2026: March 8, 2026 — clocks go forward 1 hour, from 02:00 CST to 03:00 CDT; November 1, 2026 — clocks go back 1 hour, from 02:00 CDT to 01:00 CST. Time differences with other places therefore shift during the year.

What is the time difference between St. Louis and New York?

For most of 2026, New York is 1 hour ahead of St. Louis. Because the two places change their clocks on different dates, the gap is 2 hours (New York ahead of St. Louis) from March 8 – March 8; the clocks match from November 1 – November 1.

What is the time difference between St. Louis and Sao Paulo?

For most of 2026, Sao Paulo is 2 hours ahead of St. Louis. Because the two places change their clocks on different dates, the gap is 3 hours (Sao Paulo ahead of St. Louis) from December 31 – March 8 and November 1 – December 31.

What is the time difference between St. Louis and London?

For most of 2026, London is 6 hours ahead of St. Louis. Because the two places change their clocks on different dates, the gap is 5 hours (London ahead of St. Louis) from March 8 – March 28 and October 24 – November 1.

How long is the day in St. Louis?

Day length in St. Louis ranges from about 9h 28m at the shortest day of 2026 to about 14h 52m at the longest. The sunrise and sunset section on this page shows today's figures for latitude 38.63°, longitude -90.20°.

Other cities in United States

Cities on the same clock (America/Chicago)

Nearest cities

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