Surabaya runs on UTC+7 (WIB) every day of the year, with no daylight saving time.
Surabaya and your time
Surabaya at a glance
| Country | Indonesia |
|---|---|
| Region | East Java |
| Time zone | Asia/Jakarta |
| Abbreviation now | WIB |
| UTC offset now | UTC+7 |
| Daylight saving time | Not observed |
| Coordinates | 7.25° S, 112.75° E |
Surabaya time zone and clock changes
Surabaya follows the Asia/Jakarta time zone and stays on UTC+7 all year. The tz database records no daylight saving time here since 1970.
Although Indonesia has 3 different offsets, Surabaya keeps the same time as Jakarta.
Clock changes in Surabaya, 2026 and 2027
No clock changes are scheduled in Surabaya for 2026 or 2027.
Time difference between Surabaya and other cities
Take 9:00 AM in Surabaya: the clock reads 9:00 PM (previous day) in New York, 1:00 PM in Sydney and 6:00 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July | Shared office hours |
|---|---|---|---|---|---|
| New York (United States) | --:-- | 12 h behind | 12 h behind | 11 h behind | None |
| Los Angeles (United States) | --:-- | 15 h behind | 15 h behind | 14 h behind | None |
| London (United Kingdom) | --:-- | 7 h behind | 7 h behind | 6 h behind | 1 h |
| Paris (France) | --:-- | 6 h behind | 6 h behind | 5 h behind | 2 h |
| Dubai (United Arab Emirates) | --:-- | 3 h behind | 3 h behind | 3 h behind | 5 h |
| Mumbai (India) | --:-- | 1 h 30 min behind | 1 h 30 min behind | 1 h 30 min behind | 6 h 30 min |
| Singapore | --:-- | 1 h ahead | 1 h ahead | 1 h ahead | 7 h |
| Tokyo (Japan) | --:-- | 2 h ahead | 2 h ahead | 2 h ahead | 6 h |
| Sydney (Australia) | --:-- | 4 h ahead | 4 h ahead | 3 h ahead | 4 h |
| UTC | --:-- | 7 h behind | 7 h behind | 7 h behind | 1 h |
Because Surabaya keeps one offset all year, any change in the gap comes from the other city’s daylight saving time. Compare the January and July columns.
Shared office hours is the part of a 9 AM to 5 PM local working day that both cities have in common. Weekends are not taken into account.
Sunrise, sunset and day length in Surabaya
Today
| Sunrise | --:-- |
|---|---|
| Sunset | --:-- |
| Day length | -- |
| Solar noon | --:-- |
Being in the tropics, Surabaya sees little change in day length: the longest day (12 hours 33 minutes) is only 51 minutes longer than the shortest (11 hours 42 minutes). Sunrise stays between 5:00 AM and 5:43 AM all year.
Daylight through the year in Surabaya
| Date | Sunrise | Sunset | Day length | |
|---|---|---|---|---|
| March equinox | March 20 | 5:33 AM | 5:40 PM | 12 h 7 min |
| June solstice | June 21 | 5:40 AM | 5:22 PM | 11 h 42 min |
| September equinox | September 23 | 5:18 AM | 5:25 PM | 12 h 7 min |
| December solstice | December 22 | 5:11 AM | 5:44 PM | 12 h 33 min |
Clock time and sun time in Surabaya
Clock time and sun time line up fairly well in Surabaya: solar noon falls at about 11:30 AM on standard time.
Cities near Surabaya
All the places listed below keep the same time as Surabaya.
| City | Distance | Time now | Difference |
|---|---|---|---|
| Sidoarjo | 22 km (14 mi) | --:-- | Same time |
| Mojokerto | 42 km (26 mi) | --:-- | Same time |
| Pasuruan | 47 km (29 mi) | --:-- | Same time |
| Jombang | 66 km (41 mi) | --:-- | Same time |
| Batu | 73 km (46 mi) | --:-- | Same time |
| Probolinggo | 76 km (47 mi) | --:-- | Same time |
| Malang | 82 km (51 mi) | --:-- | Same time |
| Pare | 84 km (52 mi) | --:-- | Same time |
Cities that share Surabaya’s time zone
These cities follow the same time zone rules as Surabaya.
More cities in Indonesia
All time zones and cities in Indonesia
Plan around the time in Surabaya
- Convert a time to or from Surabaya: pick a date and time and see it in every city on your list.
- Add Surabaya to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Surabaya and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
What time zone is Surabaya in?
Surabaya uses the Asia/Jakarta time zone, which is UTC+7 (WIB) all year.
Does Surabaya use daylight saving time?
No. Surabaya stays on UTC+7 all year, so the time difference to places without daylight saving time never changes.
What is the time difference between Surabaya and New York?
Surabaya is 12 hours ahead of New York in January and 11 hours ahead of New York in July, because New York moves its clocks for daylight saving time and Surabaya does not.
Is Surabaya on the same time as Jakarta?
Yes. Surabaya and Jakarta both use UTC+7 right now.
How long is the longest day in Surabaya?
About 12 hours 33 minutes, around the December solstice. The shortest day, around the June solstice, has about 11 hours 42 minutes of daylight.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.