Offset
The time difference between Tel Aviv and Surabaya is 4 hours.
Tel Aviv (IDT) is behind Surabaya (WIB).
IDT: UTC+3
WIB: UTC+7
Tel Aviv is currently observing daylight saving time; Surabaya is not.
When to schedule
Business-hours overlap: 9 AM–1 PM in Tel Aviv (1 PM–5 PM in Surabaya).
Both teams are in working hours during this window on weekdays.
Suggested time: 11:00 AM Tel Aviv (3:00 PM Surabaya).
This window may shift by an hour during daylight saving time.
Note: the working week in Israel runs Sunday–Thursday; Friday–Saturday is the weekend, so overlap on those days is limited.
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
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Tel Aviv | Surabaya | Day |
|---|---|---|
| 12:00 am | 4:00 am | Same day |
| 1:00 am | 5:00 am | Same day |
| 2:00 am | 6:00 am | Same day |
| 3:00 am | 7:00 am | Same day |
| 4:00 am | 8:00 am | Same day |
| 5:00 am | 9:00 am | Same day |
| 6:00 am | 10:00 am | Same day |
| 7:00 am | 11:00 am | Same day |
| 8:00 am | 12:00 pm | Same day |
| 9:00 am | 1:00 pm | Same day |
| 10:00 am | 2:00 pm | Same day |
| 11:00 am | 3:00 pm | Same day |
| 12:00 pm | 4:00 pm | Same day |
| 1:00 pm | 5:00 pm | Same day |
| 2:00 pm | 6:00 pm | Same day |
| 3:00 pm | 7:00 pm | Same day |
| 4:00 pm | 8:00 pm | Same day |
| 5:00 pm | 9:00 pm | Same day |
| 6:00 pm | 10:00 pm | Same day |
| 7:00 pm | 11:00 pm | Same day |
| 8:00 pm | 12:00 am | +1 day |
| 9:00 pm | 1:00 am | +1 day |
| 10:00 pm | 2:00 am | +1 day |
| 11:00 pm | 3:00 am | +1 day |
Daylight saving time
Tel Aviv observes daylight saving time; Surabaya does not. The offset between the two zones changes when Tel Aviv transitions: on Sunday, October 25, 2026, clocks fall back from IDT to IST.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 5:35 AM
- Sunset
- 7:47 PM
- Day length
- 14h 12m
- Sunrise
- 5:38 AM
- Sunset
- 5:21 PM
- Day length
- 11h 43m
Daylight overlap: 7h 46m — 5:35 AM–1:21 PM in Tel Aviv (9:35 AM–5:21 PM in Surabaya). Both locations are in daylight during this window.
Cities in these zones
Other cities in Israel Time
Other cities in Western Indonesia Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Israel Time
- TLV
Airports in Western Indonesia Time
- CGK
- HLP
- SUB
- BDO
- KNO
- PLM
- SRG
Related conversions
Common conversions
- What is 9:00 am Tel Aviv in Surabaya?
- 9:00 am Tel Aviv is 1:00 pm Surabaya.
- What is 12:00 pm Tel Aviv in Surabaya?
- 12:00 pm Tel Aviv is 4:00 pm Surabaya.
- What is 12:30 pm Tel Aviv in Surabaya?
- 12:30 pm Tel Aviv is 4:30 pm Surabaya.
- What is 2:00 pm Tel Aviv in Surabaya?
- 2:00 pm Tel Aviv is 6:00 pm Surabaya.
- What is 5:00 pm Tel Aviv in Surabaya?
- 5:00 pm Tel Aviv is 9:00 pm Surabaya.
- What is 11:30 pm Tel Aviv in Surabaya?
- 11:30 pm Tel Aviv is 3:30 am Surabaya, the next day.