WEST
Western European Summer Time
GMT +1
12am
3am
6am
9am
12pm
3pm
6pm
9pm
WEST is not used on this date
This converter keeps WEST at GMT +1. Lisbon uses WET (GMT +0) on this date. Open the WET converter, or choose Lisbon, Las Palmas de Gran Canaria, or Porto for city-specific time.
KST
Korea Standard Time
GMT +9
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Western European Summer Time is 8 hours behind Korea Standard Time
1:00 pm13:00 in WEST is 9:00 pm21:00 in KST

WEST to KST call time
Best time for a conference call or a meeting is between 8:30am-9:30am in WEST which corresponds to 4:30pm-5:30pm in KST

1:00 pm13:00 Western European Summer Time (WEST). Offset UTC +1:00 hour
9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours

1:00 pm13:00 WEST / 9:00 pm21:00 KST

WESTKST
12am (midnight)8am
1am9am
2am10am
3am11am
4am12pm (noon)
5am1pm
6am2pm
7am3pm
8am4pm
9am5pm
10am6pm
11am7pm
12pm (noon)8pm
1pm9pm
2pm10pm
3pm11pm
4pm12am (midnight)
5pm1am
6pm2am
7pm3am
8pm4am
9pm5am
10pm6am
11pm7am
00:0008:00
01:0009:00
02:0010:00
03:0011:00
04:0012:00
05:0013:00
06:0014:00
07:0015:00
08:0016:00
09:0017:00
10:0018:00
11:0019:00
12:0020:00
13:0021:00
14:0022:00
15:0023:00
16:0000:00
17:0001:00
18:0002:00
19:0003:00
20:0004:00
21:0005:00
22:0006:00
23:0007:00

Western European Summer Time

Offset: WEST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe

Countries using this time zone: Spain, Faroe Islands, Portugal

Principal Cities: The largest city in the WEST time zone is Lisbon in Portugal, with about 517,802 people. Other major cities in this time zone include Las Palmas de Gran Canaria, Porto, Santa Cruz de Tenerife, Amadora.

German: WESZ - Westeuropäische Sommerzeit

WEST Time Zone Geo Map
WEST timezone map

Daylight Saving: Western European Summer Time (WEST) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Western European Time (WET).

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Western European Summer Time (WEST) ended on Sunday, October 26, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the last Sunday of October

Daylight saving time clock moves back for one hour from 1am to 12amStart: Western European Summer Time (WEST) starts on Sunday, March 29, 2026 at 1:00 am local time and clocks are set one hour forward to Sunday, March 29, 2026, 2:00 am. Daylight saving starts annually on the last Sunday of March

WEST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for WEST
  • A - short form of 'Alpha'
IANA/Olson: Reflects WEST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Atlantic/Canary
  • Atlantic/Faeroe
  • Atlantic/Faroe
  • Atlantic/Madeira
  • Europe/Lisbon
  • Portugal
  • WET
Time zones with the GMT +1 offset:
  • BST - British Summer Time
  • CET - Central European Time
  • IST - Irish Standard Time
  • WEST - Western European Summer Time
  • A - Alpha Time Zone
  • CET - Central European Time
  • MEZ - Mitteleuropäische Zeit
  • WAT - West Africa Time
  • WST - Western Sahara Summer Time
  • BMT - Biel Mean Time

Korea Standard Time

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

Countries using this time zone: Korea (North), Korea (South)

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.

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 an offset of nine hours 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