JST
Japan Standard Time
GMT +9
12am
3am
6am
9am
12pm
3pm
6pm
9pm
ECT
Ecuador Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

JST is 14 hours ahead of ECT. JST uses GMT +9, and ECT uses GMT -5 for this comparison.

For example, 9:00 pm JST is 7:00 am ECT. Use the converter above to adjust the date or time and create a shareable meeting link.

Best meeting overlap: 7:30am-8:30am JST, which is 5:30pm-6:30pm ECT (previous day).

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

Time Difference

Japan Standard Time is 14 hours ahead of Ecuador Time
9:00 pm21:00 in JST is 7:00 am07:00 in ECT

JST to ECT call time
Best time for a conference call or a meeting is between 7:30am-8:30am in JST which corresponds to 5:30pm-6:30pm in ECT (previous day)

9:00 pm21:00 Japan Standard Time (JST). Offset UTC +9:00 hours
7:00 am07:00 Ecuador Time (ECT). Offset UTC -5:00 hours

9:00 pm21:00 JST / 7:00 am07:00 ECT

JSTECT
12am (midnight)10am
1am11am
2am12pm (noon)
3am1pm
4am2pm
5am3pm
6am4pm
7am5pm
8am6pm
9am7pm
10am8pm
11am9pm
12pm (noon)10pm
1pm11pm
2pm12am (midnight)
3pm1am
4pm2am
5pm3am
6pm4am
7pm5am
8pm6am
9pm7am
10pm8am
11pm9am
00:0010:00
01:0011:00
02:0012:00
03:0013:00
04:0014:00
05:0015:00
06:0016:00
07:0017:00
08:0018:00
09:0019:00
10:0020:00
11:0021:00
12:0022:00
13:0023:00
14:0000:00
15:0001:00
16:0002:00
17:0003:00
18:0004:00
19:0005:00
20:0006:00
21:0007:00
22:0008:00
23:0009:00

Japan Standard Time

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

Countries using this time zone: Japan

Principal Cities: The largest city in the JST time zone is Tokyo in Japan, with about 8.337 million people. Other major cities in this time zone include Yokohama, Osaka shi, Nagoya shi, 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.

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 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

Ecuador Time

Offset: ECT is 5 hours behind Greenwich Mean Time (GMT) and is used in South America

Countries using this time zone: Ecuador

Principal Cities: The largest city in the ECT time zone is Guayaquil in Ecuador, with about 1.952 million people. Other major cities in this time zone include Quito, Cuenca, Santo Domingo de los Colorados, Machala.

Daylight Saving: Clocks in Ecuador Time (ECT) do not change for daylight saving time, so ECT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

ECT Time Zone Geo Map
ECT timezone map

ECT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for ECT
  • R - short form of 'Romeo'
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo Time Zone