Offset
The time difference between Mumbai and South Tangerang is 1.5 hours.
Mumbai (IST) is behind South Tangerang (WIB).
IST: UTC+5:30
WIB: UTC+7
Neither Mumbai nor South Tangerang is currently observing daylight saving time.
When to schedule
Business-hours overlap: 9 AM–4 PM in Mumbai (10 AM–5 PM in South Tangerang).
Both teams are in working hours during this window on weekdays.
Suggested time: 12:00 PM Mumbai (1:30 PM South Tangerang).
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Indonesia
- New Year's DayThu, Jan 1
- Good FridayFri, Apr 3
- Easter SundaySun, Apr 5
- Labour DayFri, May 1
- Ascension DayThu, May 14
- Pancasila DayMon, Jun 1
- Independence DayMon, Aug 17
- Christmas DayFri, Dec 25
About these zones
Mumbai uses India Standard Time (IST). To call India, dial +91.
South Tangerang uses Western Indonesia Time (WIB). To call Indonesia, dial +62.
South Tangerang is approximately 2,900 miles southeast of Mumbai.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Mumbai | South Tangerang | Day |
|---|---|---|
| 12:00 am | 1:30 am | Same day |
| 1:00 am | 2:30 am | Same day |
| 2:00 am | 3:30 am | Same day |
| 3:00 am | 4:30 am | Same day |
| 4:00 am | 5:30 am | Same day |
| 5:00 am | 6:30 am | Same day |
| 6:00 am | 7:30 am | Same day |
| 7:00 am | 8:30 am | Same day |
| 8:00 am | 9:30 am | Same day |
| 9:00 am | 10:30 am | Same day |
| 10:00 am | 11:30 am | Same day |
| 11:00 am | 12:30 pm | Same day |
| 12:00 pm | 1:30 pm | Same day |
| 1:00 pm | 2:30 pm | Same day |
| 2:00 pm | 3:30 pm | Same day |
| 3:00 pm | 4:30 pm | Same day |
| 4:00 pm | 5:30 pm | Same day |
| 5:00 pm | 6:30 pm | Same day |
| 6:00 pm | 7:30 pm | Same day |
| 7:00 pm | 8:30 pm | Same day |
| 8:00 pm | 9:30 pm | Same day |
| 9:00 pm | 10:30 pm | Same day |
| 10:00 pm | 11:30 pm | Same day |
| 11:00 pm | 12:30 am | +1 day |
Daylight saving time
Neither Mumbai nor South Tangerang observes daylight saving time. The offset between these zones remains constant year-round.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 6:12 AM
- Sunset
- 7:19 PM
- Day length
- 13h 7m
- Sunrise
- 6:06 AM
- Sunset
- 5:54 PM
- Day length
- 11h 48m
Daylight overlap: 10h 12m — 6:12 AM–4:24 PM in Mumbai (7:42 AM–5:54 PM in South Tangerang). Both locations are in daylight during this window.
Cities in these zones
Other cities in India Standard Time
Other cities in Western Indonesia Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in India Standard Time
- BOM
- NMI
- DEL
- BLR
- HYD
- AMD
- MAA
- CCU
- STV
- PNQ
Airports in Western Indonesia Time
- CGK
- HLP
- SUB
- BDO
- KNO
- PLM
- SRG
Related conversions
Common conversions
- What is 9:00 am Mumbai in South Tangerang?
- 9:00 am Mumbai is 10:30 am South Tangerang.
- What is 12:00 pm Mumbai in South Tangerang?
- 12:00 pm Mumbai is 1:30 pm South Tangerang.
- What is 12:30 pm Mumbai in South Tangerang?
- 12:30 pm Mumbai is 2:00 pm South Tangerang.
- What is 2:00 pm Mumbai in South Tangerang?
- 2:00 pm Mumbai is 3:30 pm South Tangerang.
- What is 5:00 pm Mumbai in South Tangerang?
- 5:00 pm Mumbai is 6:30 pm South Tangerang.
- What is 11:30 pm Mumbai in South Tangerang?
- 11:30 pm Mumbai is 1:00 am South Tangerang, the next day.