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EST → CST • Time Zone Converter

EST to CST Converter

Central Standard Time is 1 hour behind Eastern Standard Time. To convert EST to CST, subtract 1 hour. For example, 8:00 AM EST is 7:00 AM CST.

EST is fixed at UTC−05:00 and CST is fixed at UTC−06:00. That makes the exact EST→CST difference one hour. If you mean real Eastern and Central locations such as New York and Chicago, use the date-aware comparison too: the cities are normally one hour apart, but for one brief hour on each U.S. daylight-saving transition day the gap can temporarily become two hours in spring or zero hours in fall.
Time differenceEST − 1 hourCST is fixed at UTC−06:00
8:00 AM EST7:00 AM CSTSame calendar day
12:00 AM EST11:00 PM CSTPrevious calendar day
Convert a Time EST to CST Table CST to EST
Convert fixed EST to fixed CST here, or jump to a related approved converter or live time-zone reference.
Popular: CST to EST EST to PST PST to CST UTC to EST UTC to CST EST Time
Interactive Converter

Convert EST to CST

Choose any Eastern Standard Time date and time. The primary result uses fixed EST (UTC−05:00) and fixed CST (UTC−06:00), so it always subtracts exactly one hour. A second line interprets the same wall-clock reading as date-aware Eastern Time in New York and converts that instant to Central Time in Chicago.

EST
UTC−05:00 · selected date
→
CST
Subtract 1 hour from EST
Eastern Time → Central Time comparison loading…
Reverse: CST to EST

EST to CST Conversion Table

Use this complete reference for every whole hour of the day. The 12-hour and 24-hour columns are equivalent; the date column flags midnight EST because it lands at 11:00 PM on the previous CST calendar day.

Reverse table: CST to EST →
ESTEST 24-hourCSTCST 24-hourCST Date
12:00 am EST00:0011:00 pm CST23:00Previous day
1:00 am EST01:0012:00 am CST00:00Same day
2:00 am EST02:001:00 am CST01:00Same day
3:00 am EST03:002:00 am CST02:00Same day
4:00 am EST04:003:00 am CST03:00Same day
5:00 am EST05:004:00 am CST04:00Same day
6:00 am EST06:005:00 am CST05:00Same day
7:00 am EST07:006:00 am CST06:00Same day
8:00 am EST08:007:00 am CST07:00Same day
9:00 am EST09:008:00 am CST08:00Same day
10:00 am EST10:009:00 am CST09:00Same day
11:00 am EST11:0010:00 am CST10:00Same day
12:00 pm EST12:0011:00 am CST11:00Same day
1:00 pm EST13:0012:00 pm CST12:00Same day
2:00 pm EST14:001:00 pm CST13:00Same day
3:00 pm EST15:002:00 pm CST14:00Same day
4:00 pm EST16:003:00 pm CST15:00Same day
5:00 pm EST17:004:00 pm CST16:00Same day
6:00 pm EST18:005:00 pm CST17:00Same day
7:00 pm EST19:006:00 pm CST18:00Same day
8:00 pm EST20:007:00 pm CST19:00Same day
9:00 pm EST21:008:00 pm CST20:00Same day
10:00 pm EST22:009:00 pm CST21:00Same day
11:00 pm EST23:0010:00 pm CST22:00Same day
EST/CST vs Eastern/Central Time

Fixed EST to CST vs Real-Location Time

Fixed EST→CST is always one hour. EST is UTC−05:00 and CST is UTC−06:00. Real Eastern and Central locations usually keep the same one-hour separation, but their 2:00 AM local DST changes occur at different UTC instants. In 2026, Chicago is two hours behind New York from 07:00–07:59 UTC on March 8; on November 1 from 06:00–06:59 UTC, Chicago and New York temporarily show the same clock time.

EST Time Now CST Time Now Eastern Time Zone Central Time Zone
Fixed EST NowLive timeUTC−05:00
Fixed CST NowLive timeUTC−06:00
Eastern Time NowLive timeAmerica/New_York
Central Time NowLive timeAmerica/Chicago

How to Convert EST to CST

The conversion is fixed: CST = EST − 1 hour. Start with the EST time, subtract one hour, and move to the previous calendar day if the result crosses midnight backward.

1. Start with the EST timeExample: 12:30 AM EST on August 22.
2. Subtract one hour00:30 − 01:00 = 23:30.
3. Check the calendar dateBecause the result crosses midnight, the CST result is 11:30 PM on August 21.
4. Confirm whether you need fixed abbreviationsFor real Eastern and Central locations, use the date-aware New York→Chicago comparison because EDT and CDT can be active.

Best Time for an EST to CST Meeting

If both sides keep a conventional 9:00 AM–5:00 PM workday, the shared business-hours window is 10:00 AM–5:00 PM EST, which is 9:00 AM–4:00 PM CST.

Open meeting planner →
Best overlap

10:00–17:00 EST

Converts to 09:00–16:00 CST and keeps both sides inside standard business hours.

EST morning

09:00 EST = 08:00 CST

Normal on the Eastern side, but one hour before a conventional Central workday begins.

CST afternoon

16:00 CST = 17:00 EST

The final full-hour overlap before a conventional Eastern workday ends.

EST

Eastern Standard Time

EST is the fixed standard-time offset UTC−05:00. It is not interchangeable with EDT at UTC−04:00 or with the broader term Eastern Time, which can be date-dependent.

EST Time Now Eastern Time Zone UTC to EST Converter
CST

Central Standard Time

CST is the fixed standard-time offset UTC−06:00. It is not interchangeable with CDT at UTC−05:00 or with the broader term Central Time, which can be date-dependent.

CST Time Now Central Time Zone UTC to CST Converter

Use these directional converters when you need the reverse direction, a neighboring U.S. standard-time pair, or a UTC reference for one side.

All time zone conversions →
Reverse PairCST to ESTAdd one hour to fixed CST.→ Required Adjacent PairEST to PSTConvert Eastern Standard Time to Pacific Standard Time.→ Required Adjacent PairPST to CSTConvert Pacific Standard Time to Central Standard Time.→ EST ReferenceUTC to ESTConvert UTC to fixed Eastern Standard Time.→ CST ReferenceUTC to CSTConvert UTC to fixed Central Standard Time.→ EST ReferenceEST to UTCConvert fixed Eastern Standard Time to UTC.→ CST ReferenceCST to UTCConvert fixed Central Standard Time to UTC.→ Any PairTime Zone ConverterConvert any supported zone, offset or location.→

EST to CST: Precision Notes

Three details prevent most conversion mistakes: EST and CST are fixed abbreviations, midnight EST lands on the previous CST date, and real Eastern/Central locations can briefly differ by zero or two hours around U.S. DST transitions.

EST offsetUTC−05:00 year-round as an abbreviation
CST offsetUTC−06:00 year-round as an abbreviation
Date rollover00:00–00:59 EST → previous CST date
Real locationsUse America/New_York and America/Chicago

Sources & Methodology

The fixed EST→CST conversion is arithmetic: EST is UTC−05:00 and CST is UTC−06:00, so CST is always one hour earlier. For real-location comparisons, CalendarHours uses date-aware IANA time-zone identifiers for New York and Chicago so EDT, CDT and U.S. daylight-saving transitions can be reflected for the selected date.

IANA Time Zone Database — civil-time rules and current tzdb releases NIST — U.S. daylight saving time rules

Last reviewed: August 22, 2026. Live values are calculated in the browser with date-aware time-zone data available to the user's system.

Why Fixed EST/CST and Eastern/Central Time Are Separate

A converter labeled “EST to CST” should preserve the mathematical meaning of the abbreviations: UTC−05:00 to UTC−06:00, always a one-hour difference. Real Eastern and Central locations usually remain one hour apart too, but their DST transitions happen at different UTC instants. Showing both results avoids silently changing the meaning of the user's query.

Eastern Time Zone Central Time Zone

EST to CST FAQ

Quick answers to the most common Eastern Standard Time to Central Standard Time conversion questions.

How do you convert EST to CST?

Subtract 1 hour from EST. Eastern Standard Time is UTC−05:00 and Central Standard Time is UTC−06:00, so 8:00 AM EST is 7:00 AM CST.

Is CST always 1 hour behind EST?

Yes, when EST and CST mean the exact fixed standard-time abbreviations. EST is UTC−05:00 and CST is UTC−06:00, so CST is always exactly 1 hour behind EST.

Is EST the same as Eastern Time?

Not exactly. EST is the fixed UTC−05:00 standard-time phase. Eastern Time can use EST or Eastern Daylight Time (EDT, UTC−04:00), depending on the date and location.

Is CST the same as Central Time?

Not exactly. CST is the fixed UTC−06:00 standard-time phase. Central Time can use CST or Central Daylight Time (CDT, UTC−05:00), depending on the date and location.

What is 8 AM EST in CST?

8:00 AM EST is 7:00 AM CST on the same calendar day.

What is 12 PM EST in CST?

12:00 PM EST is 11:00 AM CST on the same calendar day.

What is 5 PM EST in CST?

5:00 PM EST is 4:00 PM CST on the same calendar day.

When does EST to CST change the calendar date?

EST times from 12:00 AM through 12:59 AM convert to the previous calendar day in CST because subtracting one hour crosses midnight backward.

Can Eastern Time and Central Time ever be 0 or 2 hours apart?

Yes, briefly around U.S. daylight-saving transitions. In 2026, Chicago is 2 hours behind New York from 07:00 through 07:59 UTC on March 8. On November 1, Chicago and New York show the same clock time from 06:00 through 06:59 UTC. Fixed EST and fixed CST themselves remain exactly 1 hour apart.

What is the best time for an EST to CST meeting?

For conventional 9:00 AM to 5:00 PM workdays in both fixed zones, the shared window is 10:00 AM to 5:00 PM EST, which is 9:00 AM to 4:00 PM CST.