KST
Korea Standard Time
GMT +9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Arizona, USA
MST
12am
3am
6am
9am
12pm
3pm
6pm
9pm

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

Time Difference

Korea Standard Time is 16 hours ahead of MST (Mountain Standard Time)
9:00 pm21:00 in KST is 5:00 am05:00 in Tucson, AZ, USA

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

9:00 pm21:00 Korea Standard Time (KST). Offset UTC +9:00 hours
5:00 am05:00 MST (Mountain Standard Time) (Tucson, AZ, USA). Offset UTC -7:00 hours

9:00 pm21:00 KST / 5:00 am05:00 Tucson, AZ, USA

KSTTucson, AZ, USA
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

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

Tucson Information

Time Zone

Abbreviation / Name
MST - Mountain Standard Time
UTC / GMT Offset
-7:00 hours during Mountain Standard Time, currently in use.

Tucson Facts

Country
USA
State
Arizona
Alternative Names
Fucson, Lucson, San Casme del Tucson, TUS, Takson, Teuson, Toison, Touson, Tucson, Tuczon, Tugson, Tuguison, Tuison, Tuksonas, Tulquson, Tuozon, Tuquisson, Tuqulson, Tusan, Tuson, Tusona, Tūsona, taksana, thu sxn, tsuson, tu sen, tusana, tuson, tusona, twsan, twswn, tʼusoni, Τουσόν, Тусан, Тусон, Թուսոն, טוסון, توسان, توسون, ٹوسان، ایریزونا, टक्सन, तुसॉन, টুসান, ทูซอน, ტუსონი, ツーソン, 图森, 투손
Population
531,641
Currency
Dollar (USD)
Geographic Coordinates
32° 13' N Latitude / 110° 55' W Longitude
International Dialing Code
+1