JST
Japan Standard Time
GMT +9
Brazil
-03

Time Difference

Japan Standard Time is 12 hours ahead of
3:00 am03:00 in JST is 3:00 pm15:00 in Porto Alegre, Brazil

JST to Porto Alegre call time
Best time for a conference call or a meeting is between 7pm-9pm in JST which corresponds to 7am-9am in Porto Alegre

3:00 am03:00 Japan Standard Time (JST). Offset UTC +9:00 hours
3:00 pm15:00 (Porto Alegre, Brazil). Offset UTC -3:00 hours

3:00 am03:00 JST / 3:00 pm15:00 Porto Alegre, Brazil

JST Porto Alegre, Brazil
12am (midnight) 12pm (noon)
1am 1pm
2am 2pm
3am 3pm
4am 4pm
5am 5pm
6am 6pm
7am 7pm
8am 8pm
9am 9pm
10am 10pm
11am 11pm
12pm (noon) 12am (midnight)
1pm 1am
2pm 2am
3pm 3am
4pm 4am
5pm 5am
6pm 6am
7pm 7am
8pm 8am
9pm 9am
10pm 10am
11pm 11am
0:00 12:00
1:00 13:00
2:00 14:00
3:00 15:00
4:00 16:00
5:00 17:00
6:00 18:00
7:00 19:00
8:00 20:00
9:00 21:00
10:00 22:00
11:00 23:00
12:00 0:00
13:00 1:00
14:00 2:00
15:00 3:00
16:00 4:00
17:00 5:00
18:00 6:00
19:00 7:00
20:00 8:00
21:00 9:00
22:00 10:00
23:00 11:00

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

Porto Alegre Information

Time Zone

Abbreviation / Name
-03 -
BRST - Brasilia Summer Time
UTC / GMT Offset
-3:00 hours during , currently in use.
-2:00 hours during Brasilia Summer Time.
Daylight Saving Time Change
+1:00 hour - 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.

Porto Alegre Facts

Country
Brazil
Alternative Names
POA, Porto Alegre, Porto Alegri, Porto Alegrė, Porto Alenkre, Porto de Sao Francisco dos Casaes, Porto-Alegro, Portu-Alegre, Portu-Alegri, Portu-Alegry, Portualegri, Portus Alacer, Puerto Alegre, Pôrto de São Francisco dos Casaes, a lei ge li gang, bwrtw alyghry, parto alegre, poleutuallegeuli, portu alegri, pwrtw algrh, Πόρτο Αλέγκρε, Порто Алегре, Порто Алегри, Порту-Алегре, Порту-Алегри, Порту-Алегры, Порту-Алегрі, פורטו אלגרה, بورتو أليغري, پورتو الگره, پورتو الیگرے, पोर्तू अलेग्री, পর্টো আলেগ্রে, პორტუ-ალეგრი, ポルト・アレグレ, 阿雷格里港, 포르투알레그리
Population
1,372,741
Currency
Real (BRL)
Geographic Coordinates
30° 01' S Latitude / 51° 13' W Longitude
International Dialing Code
+55