Updating current time…
JST
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ThailandICT
UTC+7
2h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

9:00 pm21:00 JST (UTC+9), Oct 18, 2026 = 7:00 pm19:00 ICT (UTC+7), Oct 18, 2026

JST is 2 hours ahead of Bangkok.

How the time difference changes

JST is 2 hours ahead of Bangkok year-round.

Working hours of 9:00 am to 6:00 pm in JST correspond to 7:00 am to 4:00 pm in Bangkok.Working hours of 09:00 to 18:00 in JST correspond to 07:00 to 16:00 in Bangkok.

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

Time Difference

Japan Standard Time is 2 hours ahead of ICT (Indochina Time).
9:00 pm21:00 in JST is 7:00 pm19:00 in Bangkok, Thailand

JST to Bangkok call time
Best time for a conference call or a meeting is between 11am-6pm11:00-18:00 in JST which corresponds to 9am-4pm09:00-16:00 in Bangkok

9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
7:00 pm19:00 ICT (Indochina Time) (Bangkok, Thailand). Offset UTC +7:00 hours

9:00 pm21:00 JST / 7:00 pm19:00 Bangkok, Thailand

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Hourly time comparison
JSTBangkok, Thailand
10:00pm previous day
11:00pm previous day
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22:00 previous day
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Japan Standard Time

Offset: JST is 9 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Japan

Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 9.733 million people. Other major cities in this time zone include Yokohama, Osaka, Nagoya, Sapporo.

Daylight Saving: Clocks in Japan Standard Time (JST) do not change for daylight saving time, so JST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Current time in Japan: Japan time now

JST 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 JST
  • I - short form of 'India'
IANA/Olson: Reflects JST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • Asia/Tokyo
  • Japan
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

Bangkok Time Zone and Facts

Time Zone

Abbreviation / Offset
ICT – Indochina Time, UTC+7 (no daylight saving time)

Bangkok Facts

Country
Thailand
Alternative Names
Amphoe Phra Nakhon, BKK, Ban'nkok, Bancac, Bancocum, Bancoque, Bancác, Banghok, Bangkok, Bangkok Metropolis, Bangkoka, Bangkòk, Banguecoque, Bankok, Bankokas, Bankoko, Banqkok, Changwat Phra Nakhon, Krung Thep, Krung Thep Maha Nakhon, Krung Thep Maha Nakhon Amon Rattanakosin Mahintarayutthaya Maha Dilok Phop Noppharat Ratchathani Buri Rom Udom Ratchaniwet Maha Sathan Amon Phiman Awatan Sathit Sakka Thattiya Witsanukam Prasit, Krungdeb, Man-kuk, Màn-kuk, Phra Nakhon, Siayuthia, The City of Angels, bainkaka, bainkoka, bamkoka, bangkog, bangkwk, bankeakk, bankoku, bankwk, bngqwq, bnkak, byankak, byankaka, camraata byankaka, krungtheph, krungthephmhankhr, krungtheph‡, man gu, penkak, Μπανγκόκ, Бангкок, Банкок, Баҥкок, Բանգկոկ, באנגקאק, בנגקוק, بانكوك, بانکوک, بانکۆک, بانګکوک, بانگكوك, بنکاک, बँकॉक, बैंकक, बैंकॉक, চাংৱাত ব্যাংকক, ব্যাংকক, ਬੈਂਕਾਕ, பேங்காக், ಬ್ಯಾಂಕಾಕ್, ബാങ്കോക്ക്, බැංකොක්, กรุงเทพ, กรุงเทพมหานคร, กรุงเทพฯ, ບາງກອກ, པན་ཀོག, ဘန်ကောက်မြို့, ბანგკოკი, ባንኮክ, バンコク, 曼谷, 방콕
Population
5,104,476
Currency
Baht (THB)
Geographic Coordinates
13° 45' N Latitude / 100° 30' E Longitude
International Dialing Code
+66