NST to WIB
+10h 30mNST
NSTSOURCEWIB
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
NST and WIB on the World Map
The map below highlights the NST (Newfoundland Standard Time) and WIB (Western Indonesia Time) timezone regions across the globe.
NST – Newfoundland Standard Time
UTC-03:30Newfoundland Standard Time (NST) is a unique half-hour offset time zone in Canada, 3.5 hours behind UTC.
- •NST is one of only a few half-hour offset time zones in the world.
- •Newfoundland joined Canada in 1949 and kept its unique time zone.
- •St. John's is the easternmost city in North America.
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.
Comparing Time Zones: NST and WIB
NST runs on Newfoundland Standard Time (NST) at UTC-03:30. WIB runs on Western Indonesia Time (WIB) at UTC+07:00. That puts NST 10 hours 30 minutes ahead of WIB — a difference of +10h 30m at the current offsets.
In practice, when it is 9:00 AM in NST it is 7:30 PM in WIB. Midnight in NST is 10:30 AM in WIB. Neither zone observes daylight saving time, so the offset between them stays constant all year.
NST to WIB time conversion table
| NST (NST) | WIB (WIB) | Day |
|---|---|---|
| 12:00 AM | 10:30 AM | same day |
| 6:00 AM | 4:30 PM | same day |
| 7:00 AM | 5:30 PM | same day |
| 8:00 AM | 6:30 PM | same day |
| 9:00 AM | 7:30 PM | same day |
| 12:00 PM | 10:30 PM | same day |
| 3:00 PM | 1:30 AM | next day |
| 5:00 PM | 3:30 AM | next day |
| 6:00 PM | 4:30 AM | next day |
| 9:00 PM | 7:30 AM | next day |
Why people convert NST to WIB time
- Scheduling a call from NST to WIB: a 10:00 AM start in NST lands at 8:30 PM in WIB, so you can confirm the slot without doing the arithmetic yourself.
- Handling a +10h 30m gap: NST 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 7:30 PM in NST.
- Booking travel or deliveries: tracking WIB local time against NST keeps pickup windows and arrival estimates honest across the +10h 30m offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM NST" is unambiguous; "3 PM" across a +10h 30m gap is not.
- With a +10h 30m gap there is no shared 9-to-5 window, so alternate the early start: one week NST takes the early slot, the next week WIB does.
About NST (Newfoundland Standard Time)
Newfoundland Standard Time (NST) is one of the few half-hour offset time zones in the world. It covers the island of Newfoundland in Canada and is 30 minutes ahead of Atlantic Standard Time. This unique offset exists because Newfoundland was an independent country until 1949.
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 NST and WIB
With a +10h 30m offset there is no overlap inside a normal 9 AM – 5 PM day. WIB opens at 9:00 AM WIB, which is 7:30 PM in NST, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
NST and WIB have no shared working hours because of the +10h 30m gap. Teams need to alternate early starts or rely on asynchronous handovers.
NST is 10 hours 30 minutes ahead of WIB (NST UTC-03:30 → 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
NST
☀ Currently in DST
Standard: UTC-03:30 · DST: UTC-02:30
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 NST and WIB?
NST (NST, UTC-03:30) is 10 hours 30 minutes ahead of WIB (WIB, UTC+07:00). The gap is currently +10h 30m.
How do I convert NST time to WIB time?
Add +10h 30m to NST local time. For example, 9:00 AM in NST is 7:30 PM in WIB.
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 +10h 30m offset from NST.
What is the best time to call WIB from NST?
There is no shared working-hours window because of the +10h 30m gap. The closest option is 1:00 PM in NST, which is 11:30 PM in WIB.
Which is ahead, NST or WIB?
NST is 10 hours 30 minutes ahead of WIB. When it is 12:00 PM in NST it is 10:30 PM in WIB.
Does daylight saving time affect the NST–WIB difference?
Neither zone observes daylight saving time, so the +10h 30m offset between NST and WIB is fixed all year.
Which other cities share NST's time zone?
NST also covers St. John's, Corner Brook, Mount Pearl.
Which countries use NST, NST's zone?
NST is used in Canada (Newfoundland).
Is there a day difference between NST and WIB?
Not normally. The +10h 30m gap only pushes the date over for late-evening times.
What is the time difference between NST and WIB?
WIB is +10h 30m from NST.
What timezone is NST in?
NST operates on its local timezone.
What timezone is WIB in?
WIB operates on its local timezone.
Which countries use NST (Newfoundland Standard Time)?
NST is used in Canada (Newfoundland).
Does NST observe daylight saving time?
Yes, NST switches to NDT during summer months.
What are some interesting facts about NST?
NST is one of only a few half-hour offset time zones in the world. Newfoundland joined Canada in 1949 and kept its unique time zone.
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 NST, what time is it in WIB?
When it is 12:00 AM (midnight) in NST (NST), it is +10h 30m later in WIB (WIB).
Related Developer Tools
Explore more tools that work great with timezone conversions for international teams:
Related Timezone Conversions
More NST time conversions
- nst to new york
- nst to london
- nst to dubai
- nst to tokyo
- nst to singapore
- nst to sydney
- nst to los angeles
- nst to paris
- nst to delhi
- nst to mumbai
- nst to berlin
- nst to hong kong
- nst to toronto
- nst to kathmandu
- new york to nst
- london to nst
- dubai to nst
- tokyo to nst
- singapore to nst
- sydney to nst
- los angeles to nst
- paris to nst
- delhi to nst
- mumbai to nst
- berlin to nst
- hong kong to nst
- toronto to nst
- kathmandu to nst
See every conversion from NST →·See every conversion from WIB →