Houston to EDT to KST Time Converter
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Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 27, 2026 = 8:00 am08:00 EDT (UTC-4), Oct 27, 2026 = 9:00 pm21:00 KST (UTC+9), Oct 27, 2026
Houston is 1 hour behind EDT. Houston is 14 hours behind KST.
How the time difference changes
Houston to EDT
For most of the year, Houston is 1 hour behind EDT. From Nov 1, 2026 to Mar 14, 2027, Houston is 1 hour behind EST. Briefly around clock changes, Houston and EST have the same time or Houston is 2 hours behind EDT.
For most of the year, working hours of 9:00 am to 6:00 pm in Houston 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 Houston 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 Houston correspond to 10:00 to 19:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in Houston correspond to 10:00 to 19:00 in EST.
Houston to KST
For most of the year, Houston is 14 hours behind KST. From Nov 1, 2026 to Mar 14, 2027, Houston is 15 hours behind KST.
For most of the year, working hours of 9:00 am to 6:00 pm in Houston correspond to 11:00 pm to 8:00 am (next day) in KST. At other times of the year, working hours of 9:00 am to 6:00 pm in Houston correspond to 12:00 am (next day) to 9:00 am (next day) in KST.For most of the year, working hours of 09:00 to 18:00 in Houston correspond to 23:00 to 08:00 (next day) in KST. At other times of the year, working hours of 09:00 to 18:00 in Houston correspond to 00:00 (next day) to 09:00 (next day) in KST.
Compare Houston time with EDT and KST 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. CDT (Central Daylight Time) is 14 hours behind Korea Standard Time.
7:00 am07:00 in Houston, TX, USA is 8:00 am08:00 in EDT and is 9:00 pm21:00 in KST
Houston to EDT call time
Best time for a conference call or a meeting is between 9am-5pm09:00-17:00 in Houston which corresponds to 10am-6pm10:00-18:00 in EDT
Houston to KST call time
Best time for a conference call or a meeting is between 6pm-7pm18:00-19:00 in Houston which corresponds to 8am-9am08:00-09:00 in KST (next day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
7:00 am07:00 CDT (Central Daylight Time) (Houston, TX, USA). Offset UTC -5:00 hours
8:00 am08:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
7:00 am07:00 Houston, TX, USA / 8:00 am08:00 EDT / 9:00 pm21:00 KST
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| Houston, TX, USA | EDT | KST |
|---|---|---|
| 1:00am | 2:00pm | |
| 2:00am | 3:00pm | |
| 3:00am | 4:00pm | |
| 4:00am | 5:00pm | |
| 5:00am | 6:00pm | |
| 6:00am | 7:00pm | |
| 7:00am | 8:00pm | |
| 8:00am | 9:00pm | |
| 9:00am | 10:00pm | |
| 10:00am | 11:00pm | |
| 11:00am | 12:00am next day | |
| 12:00pm | 1:00am next day | |
| 1:00pm | 2:00am next day | |
| 2:00pm | 3:00am next day | |
| 3:00pm | 4:00am next day | |
| 4:00pm | 5:00am next day | |
| 5:00pm | 6:00am next day | |
| 6:00pm | 7:00am next day | |
| 7:00pm | 8:00am next day | |
| 8:00pm | 9:00am next day | |
| 9:00pm | 10:00am next day | |
| 10:00pm | 11:00am next day | |
| 11:00pm | 12:00pm next day | |
| 12:00am next day | 1:00pm next day | |
| 01:00 | 14:00 | |
| 02:00 | 15:00 | |
| 03:00 | 16:00 | |
| 04:00 | 17:00 | |
| 05:00 | 18:00 | |
| 06:00 | 19:00 | |
| 07:00 | 20:00 | |
| 08:00 | 21:00 | |
| 09:00 | 22:00 | |
| 10:00 | 23:00 | |
| 11:00 | 00:00 next day | |
| 12:00 | 01:00 next day | |
| 13:00 | 02:00 next day | |
| 14:00 | 03:00 next day | |
| 15:00 | 04:00 next day | |
| 16:00 | 05:00 next day | |
| 17:00 | 06:00 next day | |
| 18:00 | 07:00 next day | |
| 19:00 | 08:00 next day | |
| 20:00 | 09:00 next day | |
| 21:00 | 10:00 next day | |
| 22:00 | 11:00 next day | |
| 23:00 | 12:00 next day | |
| 00:00 next day | 13:00 next day |
Houston Time Zone and Facts
Time Zone
CST – Central Standard Time, UTC-6 (standard time)
Houston Facts
Eastern Daylight Time
Offset: EDT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Haiti, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EDT 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: HAE - Heure Avancée de l'Est
Spanish: EDT - Tiempo de verano del Este, ET - Zona Sureste
Today all shaded areas are on EDT.
Daylight Saving: Eastern Daylight Time (EDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Eastern Standard Time (EST).
Start: Eastern Daylight Time (EDT) started 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. Daylight saving starts annually on the second Sunday of March.
End: Eastern Daylight Time (EDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
EDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for EDT
- Q - short form of 'Quebec'
- 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/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST5EDT
- US/East-Indiana
- US/Eastern
- US/Michigan
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
Korea Standard Time
Offset: KST is 9 hours ahead of Greenwich Mean Time (GMT).
Countries using this time zone: North Korea, South Korea
Principal Cities: The largest city in the KST time zone is Seoul in South Korea, with about 10.349 million people. Other major cities in this time zone include Busan, Pyongyang, Incheon, Daegu.
Daylight Saving: Clocks in Korea Standard Time (KST) do not change for daylight saving time, so KST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
KST representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +0900 - sign character (+) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the east of the zero meridian.
- India - Military abbreviation for KST
- I - short form of 'India'
- Asia/Pyongyang
- Asia/Seoul
- ROK
- Korea Standard Time - UTC +9
- Pyongyang Time - UTC +8:30
- 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