Singapore to Jakarta
-1hSingapore
SGTSOURCEJakarta
WIBGreen rows indicate typical business hours (9 AM - 5 PM)
SGT and WIB on the World Map
The map below highlights the SGT (Singapore Standard Time) and WIB (Western Indonesia Time) timezone regions across the globe.
SGT – Singapore Standard Time
UTC+08:00Singapore Standard Time (SGT) is the time zone for Singapore, 8 hours ahead of UTC.
- •Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00).
- •Singapore does not observe daylight saving time.
- •The Singapore Exchange (SGX) operates on SGT.
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.
About Singapore
WikipediaSingapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
The city-state has the world's highest percentage of millionaires, with 1 in 6 households.
About Jakarta
WikipediaJakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
Indonesia has 3 time zones; Jakarta uses Western Indonesia Time (WIB).
Time Conversion Guide: Singapore to Jakarta
Singapore runs on Singapore Standard Time (SGT) at UTC+08:00. Jakarta runs on Western Indonesia Time (WIB) at UTC+07:00. That puts Singapore 1 hour behind Jakarta — a difference of -1h at the current offsets.
In practice, when it is 9:00 AM in Singapore it is 8:00 AM in Jakarta. Midnight in Singapore is 11:00 PM in Jakarta. Neither zone observes daylight saving time, so the offset between them stays constant all year.
Singapore to Jakarta time conversion table
| Singapore (SGT) | Jakarta (WIB) | Day |
|---|---|---|
| 12:00 AM | 11:00 PM | previous day |
| 6:00 AM | 5:00 AM | same day |
| 7:00 AM | 6:00 AM | same day |
| 8:00 AM | 7:00 AM | same day |
| 9:00 AM | 8:00 AM | same day |
| 12:00 PM | 11:00 AM | same day |
| 3:00 PM | 2:00 PM | same day |
| 5:00 PM | 4:00 PM | same day |
| 6:00 PM | 5:00 PM | same day |
| 9:00 PM | 8:00 PM | same day |
Why people convert Singapore to Jakarta time
- Scheduling a call from Singapore to Jakarta: a 10:00 AM start in Singapore lands at 9:00 AM in Jakarta, so you can confirm the slot without doing the arithmetic yourself.
- Finding shared working hours: both Singapore and Jakarta are inside the 9-to-5 working day between 10:00 AM and 5:00 PM SGT time (9:00 AM–4:00 PM WIB). That is roughly 7 hours of usable overlap.
- Watching a live event or market open: Singapore viewers need 8:00 AM in Jakarta to catch a 9:00 AM start there, and 1:00 AM if the event is anchored to Singapore.
- Always state the zone abbreviation, not just the hour. "3:00 PM SGT" is unambiguous; "3 PM" across a -1h gap is not.
- Block 10:00 AM–5:00 PM SGT as the recurring meeting window if you work primarily from Singapore and need Jakarta colleagues present.
About SGT (Singapore Standard Time)
Singapore Standard Time (SGT) is used in Singapore year-round. Singapore does not observe daylight saving time. Despite being geographically close to the UTC+07:00 zone, Singapore uses UTC+08:00 to align with major trading partners like China, Hong Kong, and Malaysia. Singapore is a major global financial hub.
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 Singapore and Jakarta
Both Singapore and Jakarta sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM SGT, which is 9:00 AM–4:00 PM WIB. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.
Business hours overlap
Singapore and Jakarta share 7 hours of working-hours overlap (10:00 AM–5:00 PM SGT), so scheduling a live meeting is straightforward.
Singapore is 1 hour behind Jakarta (SGT UTC+08:00 → WIB UTC+07:00). The shared working window is 10:00 AM–5:00 PM SGT. Remember to re-check around daylight-saving transitions.
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 Singapore and Jakarta?
Singapore (SGT, UTC+08:00) is 1 hour behind Jakarta (WIB, UTC+07:00). The gap is currently -1h.
How do I convert Singapore time to Jakarta time?
Add -1h to Singapore local time. For example, 9:00 AM in Singapore is 8:00 AM in Jakarta.
What time is it in Jakarta right now?
Jakarta 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 -1h offset from Singapore.
What is the best time to call Jakarta from Singapore?
Call between 10:00 AM and 5:00 PM SGT — that maps to 9:00 AM–4:00 PM WIB and keeps both parties inside the working day.
Which is behind, Singapore or Jakarta?
Singapore is 1 hour behind Jakarta. When it is 12:00 PM in Singapore it is 11:00 AM in Jakarta.
Do Singapore and Jakarta use different time zones?
Singapore (Singapore) uses SGT at UTC+08:00, while Jakarta (Indonesia) uses WIB at UTC+07:00. The IANA identifiers are Asia/Singapore and Asia/Jakarta.
Does daylight saving time affect the Singapore–Jakarta difference?
Neither zone observes daylight saving time, so the -1h offset between Singapore and Jakarta is fixed all year.
Which other cities share Singapore's time zone?
SGT also covers Singapore.
Which countries use SGT, Singapore's zone?
SGT is used in Singapore.
Is there a day difference between Singapore and Jakarta?
Not normally. The -1h gap only pushes the date over the previous day.
What is the time difference between Singapore and Jakarta?
Jakarta is -1h from Singapore.
What timezone is Singapore in?
Singapore Standard Time (SGT) is 8 hours ahead of GMT. As Asia's leading financial hub, Singapore bridges business hours between Europe and Australia.
What timezone is Jakarta in?
Jakarta operates on Western Indonesia Time (WIB), UTC+7. As Southeast Asia's largest economy, Jakarta's IDX is a key emerging market exchange.
What are the business hours in Singapore?
Standard business hours in Singapore are 9:00 AM - 6:00 PM SGT.
What are the business hours in Jakarta?
Standard business hours in Jakarta are 8:00 AM - 5:00 PM WIB.
What is the best time to schedule a call between Singapore and Jakarta?
The best overlap for a call is when both cities are in business hours. Singapore works 9:00 AM - 6:00 PM SGT and Jakarta works 8:00 AM - 5:00 PM WIB (-1h difference). Try scheduling during the overlapping window for maximum convenience.
What currencies are used in Singapore and Jakarta?
Singapore uses SGD (S$) while Jakarta uses IDR (Rp). Check current exchange rates when planning travel or business between these cities.
How do Singapore and Jakarta compare in size?
Singapore has a population of approximately 5.5 million (metro: 5.9 million), while Jakarta has approximately 10.5 million (metro: 34.5 million).
What are the major landmarks in Singapore and Jakarta?
Singapore is known for Marina Bay Sands, Gardens by the Bay, Merlion. Jakarta is famous for Monas, Istiqlal Mosque, Old Town (Kota Tua).
Do Singapore and Jakarta have stock exchanges?
Yes. Singapore has the SGX (Singapore Exchange) and Jakarta has the IDX (Indonesia Stock Exchange). The -1h time difference affects trading hour overlaps between these exchanges.
Which countries use SGT (Singapore Standard Time)?
SGT is used in Singapore.
Does SGT observe daylight saving time?
No, SGT does not observe daylight saving time and remains at UTC+08:00 year-round.
What are some interesting facts about SGT?
Singapore uses UTC+08:00 despite being at about 104°E longitude (closer to UTC+07:00). Singapore does not observe daylight saving time.
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 Singapore, what time is it in Jakarta?
When it is 12:00 AM (midnight) in Singapore (SGT), it is -1h later in Jakarta (WIB).
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