Updating current time…
Illinois, USACDT
UTC−5
12am
3am
6am
9am
12pm
3pm
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9pm
Lake Forest's clocks go back 1 hour on Sun, Nov 1 · CDT → CST
EDT/EST
UTC−4
1h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 1.

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 25, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 25, 2026

Lake Forest is 1 hour behind EDT.

How the time difference changes

For most of the year, Lake Forest, IL, USA is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, Lake Forest, IL, USA is 1 hour behind EST. Briefly around clock changes, Lake Forest, IL, USA and EST have the same time or Lake Forest, IL, USA is 2 hours behind EDT.

For most of the year, working hours of 9:00 am to 6:00 pm in Lake Forest, IL, USA correspond to 10:00 am to 7:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in Lake Forest, IL, USA correspond to 10:00 am to 7:00 pm in EST.For most of the year, working hours of 09:00 to 18:00 in Lake Forest, IL, USA correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in Lake Forest, IL, USA correspond to 10:00 to 19:00 in EST.

Compare Lake Forest time with EST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

CDT (Central Daylight Time) is 1 hour behind Eastern Daylight Time.
7:00 am07:00 in Lake Forest, IL, USA is 8:00 am08:00 in EDT

Lake Forest to EDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Lake Forest which corresponds to 10am-6pm10:00-18:00 in EDT

7:00 am07:00 CDT (Central Daylight Time) (Lake Forest, IL, USA). Offset UTC -5:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours

7:00 am07:00 Lake Forest, IL, USA / 8:00 am08:00 EDT

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Lake Forest, IL, USAEDT
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Lake Forest Time Zone and Facts

Time Zone

Abbreviation / Offset
CDT – Central Daylight Time, UTC-5 (now, daylight saving time)
CST – Central Standard Time, UTC-6 (standard time)
Daylight Saving Time Ends
123456789101112Sunday, November 1, 2026 at 2:00 amSunday, November 1, 2026 at 02:00: clocks go back 1 hour to 1:00 am01:00 (CST). DST ends on the 1st Sunday of November each year. Also called Fall Back or Winter Time.
Daylight Saving Time Starts
123456789101112Sunday, March 14, 2027 at 2:00 amSunday, March 14, 2027 at 02:00: clocks go forward 1 hour to 3:00 am03:00 (CDT). DST starts on the 2nd Sunday of March each year. Also called Spring Forward or Summer Time.

Lake Forest Facts

Country
USA
State
Illinois
Alternative Names
Lejk Forist, leikeupoliseuteu, leka pharesta, lyk fwrst, lyk fwrst aylynwy, reikuforesuto, Лејк Форист, ليك فورست, لیک فورست، ایلینوی, لیک فوریسٹ، الینوائے, लेक फरेस्ट, レイクフォレスト, 레이크포리스트
Population
19,408
Currency
Dollar (USD)
Geographic Coordinates
42° 15' N Latitude / 87° 50' W Longitude
International Dialing Code
+1

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.

French: HNE - Heure Normale de l'Est

Spanish: ET - Tiempo del Este, ET - Zona Sureste

Map of the areas on Eastern Standard Time (EST)
EST all year EST part of the year

Today the lighter areas are on UTC−4 (EDT).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

123456789101112End: Eastern Standard Time (EST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

123456789101112Start: Eastern Standard Time (EST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See USA daylight saving time and upcoming clock changes worldwide.

EST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for EST
  • R - short form of 'Romeo'
IANA/Olson: Reflects EST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Atikokan
  • America/Cancun
  • America/Cayman
  • America/Coral_Harbour
  • America/Detroit
  • America/Fort_Wayne
  • America/Grand_Turk
  • America/Indiana/Indianapolis
  • America/Indiana/Marengo
  • America/Indiana/Petersburg
  • America/Indiana/Vevay
  • America/Indiana/Vincennes
  • America/Indiana/Winamac
  • America/Indianapolis
  • America/Iqaluit
  • America/Jamaica
  • America/Kentucky/Louisville
  • America/Kentucky/Monticello
  • America/Louisville
  • America/Montreal
  • America/Nassau
  • America/New_York
  • America/Nipigon
  • America/Panama
  • America/Pangnirtung
  • America/Port-au-Prince
  • America/Thunder_Bay
  • America/Toronto
  • Canada/Eastern
  • EST
  • EST5EDT
  • Jamaica
  • US/East-Indiana
  • US/Eastern
  • US/Michigan
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone