EST
Eastern Standard Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WIB
Western Indonesian Time
GMT +7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
South Korea
KST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Eastern Standard Time is 12 hours behind Western Indonesian Time and 14 hours behind KST (Korea Standard Time)
7:00 am07:00 in EST is 7:00 pm19:00 in WIB and is 9:00 pm21:00 in Seoul, South Korea

EST to WIB call time
Best time for a conference call or a meeting is between 7am-8am in EST which corresponds to 7pm-8pm in WIB
EST to Seoul call time
Best time for a conference call or a meeting is between 5:30pm-6:30pm in EST which corresponds to 7:30am-8:30am in Seoul (next day)

7:00 am07:00 Eastern Standard Time (EST). Offset UTC -5:00 hours
7:00 pm19:00 Western Indonesian Time (WIB). Offset UTC +7:00 hours
9:00 pm21:00 KST (Korea Standard Time) (Seoul, South Korea). Offset UTC +9:00 hours

7:00 am07:00 EST / 7:00 pm19:00 WIB / 9:00 pm21:00 Seoul, South Korea

ESTWIBSeoul, South Korea
12am (midnight)12pm (noon)2pm
1am1pm3pm
2am2pm4pm
3am3pm5pm
4am4pm6pm
5am5pm7pm
6am6pm8pm
7am7pm9pm
8am8pm10pm
9am9pm11pm
10am10pm12am (midnight)
11am11pm1am
12pm (noon)12am (midnight)2am
1pm1am3am
2pm2am4am
3pm3am5am
4pm4am6am
5pm5am7am
6pm6am8am
7pm7am9am
8pm8am10am
9pm9am11am
10pm10am12pm (noon)
11pm11am1pm
00:0012:0014:00
01:0013:0015:00
02:0014:0016:00
03:0015:0017:00
04:0016:0018:00
05:0017:0019:00
06:0018:0020:00
07:0019:0021:00
08:0020:0022:00
09:0021:0023:00
10:0022:0000:00
11:0023:0001:00
12:0000:0002:00
13:0001:0003:00
14:0002:0004:00
15:0003:0005:00
16:0004:0006:00
17:0005:0007:00
18:0006:0008:00
19:0007:0009:00
20:0008:0010:00
21:0009:0011:00
22:0010:0012:00
23:0011:0013:00

Eastern Standard Time

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

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

Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.175 million people. Other major cities in this time zone include 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. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).

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

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Eastern Standard Time (EST) ends on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the second Sunday of March.

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

Western Indonesian Time

Offset: WIB is 7 hours ahead Greenwich Mean Time (GMT) and is used in Asia

Countries using this time zone: Indonesia

Principal Cities: The largest city in the WIB time zone is Jakarta in Indonesia, with about 8.54 million people. Other major cities in this time zone include Surabaya, Medan, Bandung, Bekasi.

Daylight Saving: Clocks in Western Indonesian Time (WIB) do not change for daylight saving time, so WIB stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

WIB Time Zone Geo Map
WIB timezone map

WIB representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +07 - basic short
  • +0700 - basic
  • +07:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0700 - sign character (+) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Golf - Military abbreviation for WIB
  • G - short form of 'Golf'
IANA/Olson: Reflects WIB time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Jakarta
  • Asia/Pontianak
Time zones with the GMT +7 offset:
  • CXT - Christmas Island Time
  • DAVT - Davis Time
  • G - Golf Time Zone
  • HOVT - Hovd Time
  • ICT - Indochina Time
  • KRAT - Krasnoyarsk Time
  • NOVST - Novosibirsk Summer Time
  • NOVT - Novosibirsk Time
  • OMSST - Omsk Summer Time
  • WIB - Western Indonesian Time

Seoul Information

Time Zone

Abbreviation / Name
KST - Korea Standard Time
UTC / GMT Offset
+9:00 hours during Korea Standard Time, currently in use.

Seoul Facts

Country
South Korea
Alternative Names
Hanyang, SEL, Seoel, Seol, Seoul, Seoul-si, Seuel, Seul, Seula, Seulas, Seulo, Seulum, Seúl, Seül, Siul, Soeul, Sol, Soul, Sye-ul, Syou-ouen, Szoeul, Szöul, Séoul, Sêûl, Söul, Sŏul, Wang-ching, Wo-jo, Wō-jō, ciyol, han-yang, saul, seoul, seoulsi, seoulteugbyeolsi, seuli, shou er, shou er te bie shi, si'ula, siyola, sol, sola, souru, souru te bie shi, sywl, Σεούλ, Сеул, Соул, Сөүл, Սեուլ, סאול, סיאול, סעאל, سئول, سيول, سیول, سێئول, سېئول, सियोल, सोल, সিউল, சியோல், ಸೌಲ್, സോൾ, โซล, སེ་ཨུལ།, ဆိုးလ်မြို့, სეული, ሶል, សេអ៊ូល, ソウル, ソウル特別市, 首尔, 首尔特别市, 서울, 서울시, 서울특별시, 한양
Population
10,349,312
Currency
Won (KRW)
Geographic Coordinates
37° 33' N Latitude / 126° 58' E Longitude
International Dialing Code
+82