KST
Korea Standard Time
GMT +9
EDT/EST
Eastern Daylight Time
GMT -4
EST automatically adjusted to EDT time zone, that is in use
Texas, USA
CDT

Time Difference

Korea Standard Time is 13 hours ahead of Eastern Daylight Time and 14 hours ahead of CDT (Central Daylight Time)
2:00 pm14:00 in KST is 1:00 am01:00 in EDT and is 12:00 am00:00 in Houston, TX, USA

KST to EST call time
Best time for a conference call or a meeting is between 8pm-10pm in KST which corresponds to 6am-8am in EST
KST to Houston call time
Best time for a conference call or a meeting is between 8pm-10pm in KST which corresponds to 6am-8am in Houston

2:00 pm14:00 Korea Standard Time (KST). Offset UTC +9:00 hours
1:00 am01:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
12:00 am00:00 CDT (Central Daylight Time) (Houston, TX, USA). Offset UTC -5:00 hours

2:00 pm14:00 KST / 1:00 am01:00 EDT / 12:00 am00:00 Houston, TX, USA

KST EDT Houston, TX, USA
12am (midnight) 11am 10am
1am 12pm (noon) 11am
2am 1pm 12pm (noon)
3am 2pm 1pm
4am 3pm 2pm
5am 4pm 3pm
6am 5pm 4pm
7am 6pm 5pm
8am 7pm 6pm
9am 8pm 7pm
10am 9pm 8pm
11am 10pm 9pm
12pm (noon) 11pm 10pm
1pm 12am (midnight) 11pm
2pm 1am 12am (midnight)
3pm 2am 1am
4pm 3am 2am
5pm 4am 3am
6pm 5am 4am
7pm 6am 5am
8pm 7am 6am
9pm 8am 7am
10pm 9am 8am
11pm 10am 9am
0:00 11:00 10:00
1:00 12:00 11:00
2:00 13:00 12:00
3:00 14:00 13:00
4:00 15:00 14:00
5:00 16:00 15:00
6:00 17:00 16:00
7:00 18:00 17:00
8:00 19:00 18:00
9:00 20:00 19:00
10:00 21:00 20:00
11:00 22:00 21:00
12:00 23:00 22:00
13:00 0:00 23:00
14:00 1:00 0:00
15:00 2:00 1:00
16:00 3:00 2:00
17:00 4:00 3:00
18:00 5:00 4:00
19:00 6:00 5:00
20:00 7:00 6:00
21:00 8:00 7:00
22:00 9:00 8:00
23:00 10:00 9:00

Korea Standard Time

Offset: KST is 9 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries: It is used in following countries: Korea (North), Korea (South)

Principal Cities: The largest city in the KST timezone is Seoul from South Korea with population about 10.349 million people. Other major cities in the area are Busan, Pyongyang, Incheon, Daegu

Daylight Saving: Korea Standard Time (KST) is not adjusted for daylight saving therefore KST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Korea Standard Time remains the same

KST Time Zone Geo Map
KST timezone map

KST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +09 - basic short
  • +0900 - basic
  • +09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates nine hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • India - Military abbreviation for KST
  • I - short form of 'India'
IANA/Olson: Reflects KST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Pyongyang
  • Asia/Seoul
  • ROK
KST Abbreviation: Several time zones share KST abbreviation and it could refer to these time zones
  • Korea Standard Time - UTC +9
  • Pyongyang Time - UTC +8:30
Time zones with the GMT +9 offset:
  • AWDT - Australian Western Daylight Time
  • CHOST - Choibalsan Summer Time
  • I - India Time Zone
  • IRKST - Irkutsk Summer Time
  • JST - Japan Standard Time
  • KST - Korea Standard Time
  • PWT - Palau Time
  • TLT - East Timor Time
  • ULAST - Ulaanbaatar Summer Time
  • WIT - Eastern Indonesian Time
  • YAKT - Yakutsk Time

Eastern Standard Time

Offset: EST is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Bahamas, Canada, Haiti, Jamaica, Cayman Islands, Mexico, Panama, Turks & Caicos Is, United States

Principal Cities: The largest city in the EST timezone is New York City from USA with population about 8.175 million people. Other major cities in the area are Toronto, Montreal, Brooklyn, Borough of Queens

French: HNE - Heure Normale de l'Est

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

EST Time Zone Geo Map
EST timezone map

Daylight Saving: This is a standard time zone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Eastern Daylight Time (EDT).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) has ended on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time ends annually the on second Sunday of March.

Daylight saving time clock moves back for one hour from 2am to 1amStart: Eastern Standard Time (EST) starts on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually the on first Sunday of November.

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 five hour and zero minutes time differences 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

Houston Information

Time Zone

Abbreviation / Name
CDT - Central Daylight Time
UTC / GMT Offset
-5:00 hours during Central Daylight Time, currently in use.

Houston Facts

Country
USA
State
Texas
Alternative Names
Chiouston, HOU, Hiu-su-tun, Hiustonas, Hiû-sṳ̂-tûn, Hjuston, Hjustona, Hjūstona, Houston, Houston City, Hustonia, Hyuston, Kh'juston, Khjustn, Khjustan, Khjuston, hi'ustana, hiustʼoni, hiws tan, hiyustan, hou si dun, husatana, hyuseuteon, hyustan, hyustana, hyusuton, hywstn, hywstwn, xiu si dun, ywstwn, Χιούστον, Хьюстон, Хюстан, Хюстон, Хюстън, Хјустон, Հյուստոն, היוסטן, יוסטון, هيوستن, هیوستون, ھیووستن, ہywsٹn, ہیوسٹن, ह्युस्टन, হিউস্টন, ਹੂਸਟਨ, હ્યુસ્ટન, ஹியூஸ்டன், హ్యూస్టన్, ഹ്യൂസ്റ്റൺ, ฮิวสตัน, ဟူစတန်မြို့, ჰიუსტონი, ሂውስተን, ヒューストン, 休斯敦, 休斯頓, 侯斯頓, 휴스턴
Population
2,296,224
Currency
Dollar (USD)
Geographic Coordinates
29° 45' N Latitude / 95° 21' W Longitude
International Dialing Code
+1