PST to WIB
+15hPST
PSTSOURCEWIB
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
PST and WIB on the World Map
The map below highlights the PST (Pacific Standard Time) and WIB (Western Indonesia Time) timezone regions across the globe.
PST – Pacific Standard Time
UTC-08:00Pacific Standard Time (PST) is the time zone for the US and Canadian Pacific coast, 8 hours behind UTC.
- •Silicon Valley and the world's biggest tech companies operate on Pacific Time.
- •The Hollywood film industry runs on PST/PDT.
- •PST is 3 hours behind EST, creating a significant business hours gap.
- •Vancouver, Canada's third-largest city, uses PST.
WIB – Western Indonesia Time
UTC+07:00Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.
- •Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
- •Indonesia has not observed daylight saving time since 1964.
- •Jakarta is the largest city in Southeast Asia by population.
- •WIB shares the UTC+07:00 offset with Indochina Time.
PST to WIB Time Difference – Complete Guide
PST runs on Pacific Standard Time (PST) at UTC-08:00. WIB runs on Western Indonesia Time (WIB) at UTC+07:00. That puts PST 15 hours ahead of WIB — a difference of +15h at the current offsets.
In practice, when it is 9:00 AM in PST it is 12:00 AM in WIB on the next day. Midnight in PST is 3:00 PM in WIB. Neither zone observes daylight saving time, so the offset between them stays constant all year.
PST to WIB time conversion table
| PST (PST) | WIB (WIB) | Day |
|---|---|---|
| 12:00 AM | 3:00 PM | same day |
| 6:00 AM | 9:00 PM | same day |
| 7:00 AM | 10:00 PM | same day |
| 8:00 AM | 11:00 PM | same day |
| 9:00 AM | 12:00 AM | next day |
| 12:00 PM | 3:00 AM | next day |
| 3:00 PM | 6:00 AM | next day |
| 5:00 PM | 8:00 AM | next day |
| 6:00 PM | 9:00 AM | next day |
| 9:00 PM | 12:00 PM | next day |
Why people convert PST to WIB time
- Scheduling a call from PST to WIB: a 10:00 AM start in PST lands at 1:00 AM in WIB the next day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +15h gap: PST and WIB have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in WIB is 12:00 AM in PST.
- Booking travel or deliveries: tracking WIB local time against PST keeps pickup windows and arrival estimates honest across the +15h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM PST" is unambiguous; "3 PM" across a +15h gap is not.
- With a +15h gap there is no shared 9-to-5 window, so alternate the early start: one week PST takes the early slot, the next week WIB does.
About PST (Pacific Standard Time)
Pacific Standard Time (PST) covers the west coast of North America, including tech hubs like San Francisco and Seattle, and entertainment capital Los Angeles. The Pacific Time Zone is home to Silicon Valley and the world's largest technology companies. During summer, clocks advance to Pacific Daylight Time (PDT, UTC-07:00). PST is also observed in Baja California, Mexico.
About WIB (Western Indonesia Time)
Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.
Best time to call between PST and WIB
With a +15h offset there is no overlap inside a normal 9 AM – 5 PM day. WIB opens at 9:00 AM WIB, which is 12:00 AM in PST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
PST and WIB have no shared working hours because of the +15h gap. Teams need to alternate early starts or rely on asynchronous handovers.
PST is 15 hours ahead of WIB (PST UTC-08:00 → WIB UTC+07:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.
🕐 Daylight Saving Time Info
PST
☀ Currently in DST
Standard: UTC-08:00 · DST: UTC-07:00
Clocks fall back on Sun, Nov 1, 2026
WIB
Does not observe DST
Learn More About Time
Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:
Frequently Asked Questions
What is the time difference between PST and WIB?
PST (PST, UTC-08:00) is 15 hours ahead of WIB (WIB, UTC+07:00). The gap is currently +15h.
How do I convert PST time to WIB time?
Add +15h to PST local time. For example, 9:00 AM in PST is 12:00 AM in WIB (next day).
What time is it in WIB right now?
WIB uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +15h offset from PST.
What is the best time to call WIB from PST?
There is no shared working-hours window because of the +15h gap. The closest option is 1:00 PM in PST, which is 4:00 AM in WIB.
Which is ahead, PST or WIB?
PST is 15 hours ahead of WIB. When it is 12:00 PM in PST it is 3:00 AM in WIB.
Does daylight saving time affect the PST–WIB difference?
Neither zone observes daylight saving time, so the +15h offset between PST and WIB is fixed all year.
Which other cities share PST's time zone?
PST also covers Los Angeles, San Francisco, Seattle, Vancouver, San Diego, Portland, Las Vegas, Sacramento and 2 more.
Which countries use PST, PST's zone?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Is there a day difference between PST and WIB?
Sometimes. The +15h gap is large enough that 8:00 PM or later in PST already falls on the next day in WIB.
What is the time difference between PST and WIB?
WIB is +15h from PST.
What timezone is PST in?
PST operates on its local timezone.
What timezone is WIB in?
WIB operates on its local timezone.
Which countries use PST (Pacific Standard Time)?
PST is used in United States (Pacific), Canada (British Columbia), Mexico (Baja California).
Does PST observe daylight saving time?
Yes, PST switches to PDT during summer months.
What are some interesting facts about PST?
Silicon Valley and the world's biggest tech companies operate on Pacific Time. The Hollywood film industry runs on PST/PDT.
Which cities are in the WIB timezone?
Major cities in the WIB timezone include Jakarta, Surabaya, Bandung, Medan, Palembang.
What is the UTC offset for WIB?
Western Indonesia Time (WIB) is at UTC+07:00.
What should I know about the WIB timezone?
Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00). Indonesia has not observed daylight saving time since 1964.
When is it midnight in PST, what time is it in WIB?
When it is 12:00 AM (midnight) in PST (PST), it is +15h later in WIB (WIB).
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