JST
Japan Standard Time
GMT +9
Indonesia
WIB
Philippines
PST
Illinois, USA
CDT
Poland
CEST

Time Difference

Japan Standard Time is 2 hours ahead of WIB (Western Indonesian Time) and 1 hour ahead of PST () and 14 hours ahead of CDT (Central Daylight Time) and 7 hours ahead of CEST (Central European Summer Time)
5:30 pm17:30 in JST is 3:30 pm15:30 in Jakarta, Indonesia and is 4:30 pm16:30 in Masbate, Philippines and is 3:30 am03:30 in Chicago, IL, USA and is 10:30 am10:30 in Warsaw, Poland

JST to Jakarta call time
Best time for a conference call or a meeting is between 10am-6pm in JST which corresponds to 8am-4pm in Jakarta
JST to Masbate call time
Best time for a conference call or a meeting is between 9am-6pm in JST which corresponds to 8am-5pm in Masbate
JST to Chicago call time
Best time for a conference call or a meeting is between 8pm-10pm in JST which corresponds to 6am-8am in Chicago
JST to Warsaw call time
Best time for a conference call or a meeting is between 3pm-6pm in JST which corresponds to 8am-11am in Warsaw

5:30 pm17:30 Japan Standard Time (JST). Offset UTC +9:00 hours
3:30 pm15:30 WIB (Western Indonesian Time) (Jakarta, Indonesia). Offset UTC +7:00 hours
4:30 pm16:30 PST () (Masbate, Philippines). Offset UTC +8:00 hours
3:30 am03:30 CDT (Central Daylight Time) (Chicago, IL, USA). Offset UTC -5:00 hours
10:30 am10:30 CEST (Central European Summer Time) (Warsaw, Poland). Offset UTC +2:00 hours

5:30 pm17:30 JST / 3:30 pm15:30 Jakarta, Indonesia / 4:30 pm16:30 Masbate, Philippines / 3:30 am03:30 Chicago, IL, USA / 10:30 am10:30 Warsaw, Poland

JST Jakarta, Indonesia Masbate, Philippines Chicago, IL, USA Warsaw, Poland
12am (midnight) 10pm 11pm 10am 5pm
1am 11pm 12am (midnight) 11am 6pm
2am 12am (midnight) 1am 12pm (noon) 7pm
3am 1am 2am 1pm 8pm
4am 2am 3am 2pm 9pm
5am 3am 4am 3pm 10pm
6am 4am 5am 4pm 11pm
7am 5am 6am 5pm 12am (midnight)
8am 6am 7am 6pm 1am
9am 7am 8am 7pm 2am
10am 8am 9am 8pm 3am
11am 9am 10am 9pm 4am
12pm (noon) 10am 11am 10pm 5am
1pm 11am 12pm (noon) 11pm 6am
2pm 12pm (noon) 1pm 12am (midnight) 7am
3pm 1pm 2pm 1am 8am
4pm 2pm 3pm 2am 9am
5pm 3pm 4pm 3am 10am
6pm 4pm 5pm 4am 11am
7pm 5pm 6pm 5am 12pm (noon)
8pm 6pm 7pm 6am 1pm
9pm 7pm 8pm 7am 2pm
10pm 8pm 9pm 8am 3pm
11pm 9pm 10pm 9am 4pm
0:00 22:00 23:00 10:00 17:00
1:00 23:00 0:00 11:00 18:00
2:00 0:00 1:00 12:00 19:00
3:00 1:00 2:00 13:00 20:00
4:00 2:00 3:00 14:00 21:00
5:00 3:00 4:00 15:00 22:00
6:00 4:00 5:00 16:00 23:00
7:00 5:00 6:00 17:00 0:00
8:00 6:00 7:00 18:00 1:00
9:00 7:00 8:00 19:00 2:00
10:00 8:00 9:00 20:00 3:00
11:00 9:00 10:00 21:00 4:00
12:00 10:00 11:00 22:00 5:00
13:00 11:00 12:00 23:00 6:00
14:00 12:00 13:00 0:00 7:00
15:00 13:00 14:00 1:00 8:00
16:00 14:00 15:00 2:00 9:00
17:00 15:00 16:00 3:00 10:00
18:00 16:00 17:00 4:00 11:00
19:00 17:00 18:00 5:00 12:00
20:00 18:00 19:00 6:00 13:00
21:00 19:00 20:00 7:00 14:00
22:00 20:00 21:00 8:00 15:00
23:00 21:00 22:00 9:00 16:00

Japan Standard Time

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

Countries: It is used in following countries: Japan

Principal Cities: The largest city in the JST timezone is Tokyo from Japan with population about 8.337 million people. Other major cities in the area are Yokohama, Osaka shi, Nagoya shi, Sapporo

Daylight Saving: Japan Standard Time (JST) is not adjusted for daylight saving therefore JST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, Japan Standard Time remains the same

JST Time Zone Geo Map
JST timezone map

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 nine hour and zero minutes time differences 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

Jakarta Information

Time Zone

Abbreviation / Name
WIB - Western Indonesian Time
UTC / GMT Offset
+7:00 hours during Western Indonesian Time, currently in use.

Jakarta Facts

Country
Indonesia
Alternative Names
Batavia, Big Durian, Cakarta, D'akarta, Daerah Khusus Ibukota Jakarta, Djakarta, Djogkarta, Dki Jakarta, Dzakarta, Dzhakarta, Dzhakartae, Dżakarta, Džakarta, Gakarto, Giacarta, Iacarta, Iacárta, JKT, Jacarta, Jakarta, Jayakarta, Jogkarta, Nga-ka-that Su-tu Thit-khi, Ngâ-kâ-tha̍t Sú-tû Thi̍t-khî, Sunda Kelapa, Tzakarta, Xacarta, Xhakarta, Yajgyadaz, Yakarta, Zhakarta, cakarta, g'qrth, jakaleuta, jakarata, jakarta, jakartta, jakaruta, jkarta, ya jia da, Ĝakarto, Τζακάρτα, Џакарта, Джакартæ, Джакарта, Дьакарта, Жакарта, Ջակարտա, ג'קרטה, דזשאקארטא, جاكارتا, جاکارتا, جکارتا, جکارتہ, जकार्ता, জাকার্তা, ਜਕਾਰਤਾ, જાકાર્તા, ଜାକର୍ତା, ஜகார்த்தா, జకార్తా, ಜಕಾರ್ತ, ജക്കാർത്ത, จาการ์ตา, ཊ་ཁར་ཏ།, ဂျကာတာမြို့, ჯაკარტა, ጃካርታ, ចាការតា, ジャカルタ, 雅加达, 자카르타
Population
8,540,121
Currency
Rupiah (IDR)
Geographic Coordinates
6° 12' S Latitude / 106° 50' E Longitude
International Dialing Code
+62

Masbate Information

Time Zone

Abbreviation / Name
PST -
PHT - Philippine Time
UTC / GMT Offset
+8:00 hours during , currently in use.
+8:00 hours during Philippine Time.
Daylight Saving Time Change
0:00 hours - DST is NOT in use
Daylight Saving Time Starts
Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Also called Fall Back or switch to Winter Time.

Masbate Facts

Country
Philippines
Alternative Names
MBT, Masbate, Масбате
Population
47,490
Currency
Peso (PHP)
Geographic Coordinates
12° 22' N Latitude / 123° 37' E Longitude
International Dialing Code
+63

Chicago Information

Time Zone

Abbreviation / Name
CDT - Central Daylight Time
UTC / GMT Offset
-5:00 hours during Central Daylight Time, currently in use.

Chicago Facts

Country
USA
State
Illinois
Alternative Names
CHI, Cekaga, Chi-ka-ko, Chi-kâ-kô, Chicago, Chicagu, Chikago, Chykaga, Cikaga, Cikago, Cikaqo, E-Chicago, Kikako, Shikago, Sicagum, Sikago, The Windy City, Tsikago, Windy City, chikhako, cikago, cikako, shikago, shkagw, shykaghw, shykagw, shykajw, shyqgw, sikago, sikkagea, syqgw, zhi jia ge, Çikago, Çikaqo, Ĉikago, Čikaga, Čikago, Čikāga, Čėkaga, Şikago, Σικάγο, Чикаго, Чикаґо, Чыкага, Չիկագո, שיקאגא, שיקגו, شيكاجو, شيكاغو, شکاگو, شیکاگو, شیکاگۆ, ܫܝܩܓܘ, शिकागो, শিকাগো, ਸ਼ਿਕਾਗੋ, சிகாகோ, చికాగో, ಶಿಕಾಗೊ, ഷിക്കാഗോ, ชิคาโก, ရှီကာဂိုမြို့, ჩიკაგო, ሺካጎ, ᓰᖄᑯ, Ṣìkágò, シカゴ, 芝加哥, 시카고, 𐍃𐌾𐌹𐌺𐌰𐌲𐍉
Population
2,720,546
Currency
Dollar (USD)
Geographic Coordinates
41° 51' N Latitude / 87° 39' W Longitude
International Dialing Code
+1

Warsaw Information

Time Zone

Abbreviation / Name
CEST - Central European Summer Time
CET - Central European Time
UTC / GMT Offset
+2:00 hours during Central European Summer Time, currently in use.
+1:00 hour during Central European Time.
Daylight Saving Time Change
+1:00 hour - DST is in use
Daylight Saving Time Starts
Daylight saving time clock moves forward for one hour from 2am to 3am Sunday, March 31, 2024 at 2:00 am local time. DST starts annually the on last Sunday of March. Clocks are turned forward 1 hour to Sunday, March 31, 2024, 3:00 am local daylight time instead. Also called Spring Forward or Summer Time.
Daylight Saving Time Ends
Daylight saving time clock moves back for one hour from 3am to 2am Sunday, October 27, 2024 at 3:00 am local time. DST ends annually the on last Sunday of October. Clocks are turned backward 1 hour to Sunday, October 27, 2024, 2:00 am local standard time instead. Also called Fall Back or switch to Winter Time.

Warsaw Facts

Country
Poland
Alternative Names
Barsobia, Varsa, Varsava, Varsavia, Varsavja, Varshava, Varshavae, Varsja, Varsjá, Varso, Varsova, Varsovia, Varsovia - Warszawa, Varsovie, Varsovio, Varssavi, Varsuva, Varsòvia, Varsó, Varsóvia, Varşova, Varšava, Varšuva, Varșovia, Vársá, WAW, Warsaw, Warsawa, Warschau, Warskou, Warszaw, Warszawa, Waršawa, baleusyaba, hua sha, varshava, vorso, warsw, warushawa, wrsh, wrshw, wrsw, wxrsx, Βαρσοβία, Варшавæ, Варшава, Վարշավա, ווארשע, ורשה, װאַרשע, وارسو, ورشو, ۋارشاۋا, ܘܪܣܘ, वॉर्सो, วอร์ซอ, ვარშავა, ዋርሶው, ワルシャワ, 华沙, 華沙, 바르샤바
Population
1,702,139
Currency
Zloty (PLN)
Geographic Coordinates
52° 13' N Latitude / 21° 00' E Longitude
International Dialing Code
+48