WIB to EDT
-11hWIB
WIBSOURCEEDT
EDTGreen rows indicate typical business hours (9 AM - 5 PM)
WIB and EDT on the World Map
The map below highlights the WIB (Western Indonesia Time) and EDT (Eastern Daylight Time) timezone regions across the globe.
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.
EDT – Eastern Daylight Time
UTC-04:00Eastern Daylight Time (EDT) is the daylight saving time observed in the Eastern Time Zone, 4 hours behind UTC.
- •EDT is observed from the second Sunday of March to the first Sunday of November.
- •During EDT, the US East Coast is only 4 hours behind London (instead of 5).
- •Not all EST locations switch to EDT – Panama and Jamaica stay on EST year-round.
Everything You Need to Know About WIB and EDT Time
WIB runs on Western Indonesia Time (WIB) at UTC+07:00. EDT runs on Eastern Daylight Time (EDT) at UTC-04:00. That puts WIB 11 hours behind EDT — a difference of -11h at the current offsets.
In practice, when it is 9:00 AM in WIB it is 10:00 PM in EDT on the previous day. Midnight in WIB is 1:00 PM in EDT. Neither zone observes daylight saving time, so the offset between them stays constant all year.
WIB to EDT time conversion table
| WIB (WIB) | EDT (EDT) | Day |
|---|---|---|
| 12:00 AM | 1:00 PM | previous day |
| 6:00 AM | 7:00 PM | previous day |
| 7:00 AM | 8:00 PM | previous day |
| 8:00 AM | 9:00 PM | previous day |
| 9:00 AM | 10:00 PM | previous day |
| 12:00 PM | 1:00 AM | same day |
| 3:00 PM | 4:00 AM | same day |
| 5:00 PM | 6:00 AM | same day |
| 6:00 PM | 7:00 AM | same day |
| 9:00 PM | 10:00 AM | same day |
Why people convert WIB to EDT time
- Scheduling a call from WIB to EDT: a 10:00 AM start in WIB lands at 11:00 PM in EDT the previous day, so you can confirm the slot without doing the arithmetic yourself.
- Handling a -11h gap: WIB and EDT 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 EDT is 10:00 PM in WIB.
- Booking travel or deliveries: tracking EDT local time against WIB keeps pickup windows and arrival estimates honest across the -11h offset.
- Always state the zone abbreviation, not just the hour. "3:00 PM WIB" is unambiguous; "3 PM" across a -11h gap is not.
- With a -11h gap there is no shared 9-to-5 window, so alternate the early start: one week WIB takes the early slot, the next week EDT does.
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.
About EDT (Eastern Daylight Time)
Eastern Daylight Time (EDT) is used during the summer months (second Sunday of March to the first Sunday of November) in the Eastern Time Zone. During EDT, clocks are advanced by one hour to take advantage of longer daylight hours. Not all locations in the Eastern Time Zone observe DST – Panama, Jamaica, and most of the Caribbean remain on EST year-round.
Best time to call between WIB and EDT
With a -11h offset there is no overlap inside a normal 9 AM – 5 PM day. EDT opens at 9:00 AM EDT, which is 10:00 PM in WIB, so real-time calls need an early-morning or late-evening slot on one side.
Business hours overlap
WIB and EDT have no shared working hours because of the -11h gap. Teams need to alternate early starts or rely on asynchronous handovers.
WIB is 11 hours behind EDT (WIB UTC+07:00 → EDT UTC-04:00). 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
WIB
Does not observe DST
EDT
☀ Currently in DST
Standard: UTC-05:00 · DST: UTC-04:00
Clocks fall back on Sun, Nov 1, 2026
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 WIB and EDT?
WIB (WIB, UTC+07:00) is 11 hours behind EDT (EDT, UTC-04:00). The gap is currently -11h.
How do I convert WIB time to EDT time?
Add -11h to WIB local time. For example, 9:00 AM in WIB is 10:00 PM in EDT (previous day).
What time is it in EDT right now?
EDT uses EDT at UTC-04:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -11h offset from WIB.
What is the best time to call EDT from WIB?
There is no shared working-hours window because of the -11h gap. The closest option is 1:00 PM in WIB, which is 2:00 AM in EDT.
Which is behind, WIB or EDT?
WIB is 11 hours behind EDT. When it is 12:00 PM in WIB it is 1:00 AM in EDT.
Does daylight saving time affect the WIB–EDT difference?
Neither zone observes daylight saving time, so the -11h offset between WIB and EDT is fixed all year.
Which other cities share WIB's time zone?
WIB also covers Jakarta, Surabaya, Bandung, Medan, Palembang.
Which countries use WIB, WIB's zone?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Is there a day difference between WIB and EDT?
Not normally. The -11h gap only pushes the date over the previous day.
What is the time difference between WIB and EDT?
EDT is -11h from WIB.
What timezone is WIB in?
WIB operates on its local timezone.
What timezone is EDT in?
EDT operates on its local timezone.
Which countries use WIB (Western Indonesia Time)?
WIB is used in Indonesia (Java, Sumatra, West Kalimantan).
Does WIB observe daylight saving time?
No, WIB does not observe daylight saving time and remains at UTC+07:00 year-round.
What are some interesting facts about WIB?
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.
Which cities are in the EDT timezone?
Major cities in the EDT timezone include New York City, Washington D.C., Toronto, Miami, Philadelphia, Atlanta, Boston, Montreal.
What is the UTC offset for EDT?
Eastern Daylight Time (EDT) is at UTC-04:00. During daylight saving time, it shifts to EST.
What should I know about the EDT timezone?
EDT is observed from the second Sunday of March to the first Sunday of November. During EDT, the US East Coast is only 4 hours behind London (instead of 5).
When is it midnight in WIB, what time is it in EDT?
When it is 12:00 AM (midnight) in WIB (WIB), it is -11h later in EDT (EDT).
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See every conversion from WIB →·See every conversion from EDT →