JST to PDT Converter
Time Difference
Japan Standard Time is 16 hours ahead of Pacific Daylight Time
9:00 am09:00 in JST is 5:00 pm17:00 in PDT
JST to PDT call time
Best time for a conference call or a meeting is between 9pm-11pm in JST which corresponds to 5am-7am in PDT
9:00 am09:00 Japan Standard Time (JST). Offset UTC +9:00 hours
5:00 pm17:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
9:00 am09:00 JST / 5:00 pm17:00 PDT
JST | PDT |
---|---|
12am (midnight) | 8am |
1am | 9am |
2am | 10am |
3am | 11am |
4am | 12pm (noon) |
5am | 1pm |
6am | 2pm |
7am | 3pm |
8am | 4pm |
9am | 5pm |
10am | 6pm |
11am | 7pm |
12pm (noon) | 8pm |
1pm | 9pm |
2pm | 10pm |
3pm | 11pm |
4pm | 12am (midnight) |
5pm | 1am |
6pm | 2am |
7pm | 3am |
8pm | 4am |
9pm | 5am |
10pm | 6am |
11pm | 7am |
0:00 | 8:00 |
1:00 | 9:00 |
2:00 | 10:00 |
3:00 | 11:00 |
4:00 | 12:00 |
5:00 | 13:00 |
6:00 | 14:00 |
7:00 | 15:00 |
8:00 | 16:00 |
9:00 | 17:00 |
10:00 | 18:00 |
11:00 | 19:00 |
12:00 | 20:00 |
13:00 | 21:00 |
14:00 | 22:00 |
15:00 | 23:00 |
16:00 | 0:00 |
17:00 | 1:00 |
18:00 | 2:00 |
19:00 | 3:00 |
20:00 | 4:00 |
21:00 | 5:00 |
22:00 | 6:00 |
23:00 | 7:00 |
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 representations, usage and related time zones
- +09 - basic short
- +0900 - basic
- +09:00 - extended
- +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.
- India - Military abbreviation for JST
- I - short form of 'India'
- Asia/Tokyo
- Japan
- 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
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Mexico, United States
Principal Cities: The largest city in the PDT timezone is Los Angeles from USA with population about 3.793 million people. Other major cities in the area are Vancouver, Tijuana, San Diego, San Jose
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste

Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Pacific Daylight Time (PDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates seven hour and zero minutes time differences to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone