Indexed entity
Surabaya is the surabaya-ID record in Indonesia: country slug indonesia, city slug surabaya, ISO ID, continent Asia, canonical IANA zone Asia/Jakarta.
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Live local time
Surabaya, Indonesia
05:43:56 PMTuesday, June 2, 2026 · Asia/Jakarta
Quick answer
It is currently 05:43:56 PM (WIB, UTC+07:00) in Surabaya, Indonesia — Afternoon.
Pronunciation
Updated 8 days ago
Right now
32°C
Drizzle
3-day forecast
Tue
31°C
24°C
57% rain
Wed
32°C
25°C
39% rain
Thu
31°C
25°C
55% rain
In 76 days
Hari Ulang Tahun Kemerdekaan Republik Indonesia (Independence Day)
Mon, Aug 17, 2026
PublicIn 206 days
Hari Raya Natal (Christmas Day)
Fri, Dec 25, 2026
PublicIn 213 days
Tahun Baru Masehi (New Year's Day)
Fri, Jan 1, 2027
PublicUpdated 2026-05-22 · ECB rates
Code
Indonesian Rupiah
1 USD = 17,695 IDR
Quick conversions
Today
Sunrise
05:35 AM
Sunset
05:18 PM
Day length
11h 43m
Golden hour
Blue hour
Civil twilight (–6°)
Nautical twilight (–12°)
Astronomical twilight (–18°)
Computed from latitude, longitude and date using the NOAA Solar Position Algorithm.
Reviewed by WorldClockTools editorial · Updated
Content reviewed Apr 30, 2026. City facts are content-reviewed separately from the live clock and from the generated city datasets. The current-time, daylight, weather, holiday, and business-overlap values are render-time snapshots for Surabaya, not permanent claims; verify legal, travel, market, or compliance decisions with official local sources.
Live values rendered at Jun 2, 10:43 AM UTC.
Current local time
05:43:56 PM
Tuesday, June 2, 2026
Time zone
WIB
Asia/Jakarta · UTC+07:00
Next holiday
Independence Day
Monday, August 17, 2026 · Public
Business overlap now
0 / 8
Reference markets are overlapping with Surabaya right now
Nearest airport
SUB
Juanda International Airport · 15 km
Indexed airports
8
Curated airport references available for Indonesia
Coordination board
A compact checklist for calls, launches, travel handoffs, and date-sensitive work tied to Surabaya, Indonesia.
Snapshot Jun 2, 2026 · 17:43 GMT+7
No reference-city overlap right now
Surabaya is currently outside the simple 09:00-17:00 local planning window.
Local status
Out of window
Offset now
UTC+07:00
Zone label
GMT+7
London
11:43 AM / -6h
New York
06:43 AM / -11h
Los Angeles
03:43 AM / -14h
Schedule risk
Independence Day on Monday, August 17, 2026
Travel cue
SUB Surabaya, 15 km
Daylight cue
Today's daylight window is 05:35 AM to 05:18 PM, with solar noon around 11:27 AM and total daylight of 11h 43m.
Mapped location
7.25°S, 112.75°E
Use these reference hubs as a first-pass call plan before opening a full meeting planner.
London
11:43 AM / -6h
Use as a follow-up or async handoff, not an immediate-call default.
New York
06:43 AM / -11h
Use as a follow-up or async handoff, not an immediate-call default.
Los Angeles
03:43 AM / -14h
Use as a follow-up or async handoff, not an immediate-call default.
Dubai
02:43 PM / -3h
Use as a follow-up or async handoff, not an immediate-call default.
Singapore
06:43 PM / +1h
Use as a follow-up or async handoff, not an immediate-call default.
Good for travel-day timing, hotel check-ins, and same-day arrival calls around Surabaya.
SUB · Juanda International Airport
Surabaya
SOC · Adisoemarmo International Airport
Surakarta
SRG · Jenderal Ahmad Yani Airport
Semarang
YIA · Yogyakarta International Airport
Yogyakarta
Lock the timezone, not the offset
Use Asia/Jakarta for future-dated events. Current offset is UTC+07:00; stable January-to-July offset at UTC+07:00.
Pick a live coordination window
No reference city overlaps Surabaya right now, so use the comparison table below before sending meeting invites.
Check local interruptions
Independence Day on Monday, August 17, 2026. Nearest curated airport reference: SUB Surabaya, 15 km.
Guard against stale assumptions
No upcoming offset change was detected in the next two calendar years for Asia/Jakarta. Editorial review date: 2026-04-30.
Watch the DST and holiday edge cases
Surabaya has no near-term DST change in view, but Independence Day can still affect office coverage and local response times.
These values are planning context from the live clock, IANA timezone rules, curated city and airport records, and holiday calendars when available. Confirm official office, aviation, market, legal, or compliance decisions with the relevant source.
Local planning context
Route, catalog identity, coordinates, population record, timezone snapshot, nearby cities, and travel anchors for Surabaya.
Canonical route
/time/indonesia/surabaya/
Catalog identity
surabaya-ID · ID · Asia
Coordinate cell
7.25°S, 112.75°E · lat -7.249 · lon 112.751 · cell -725:11275
Population record
2,874,314 residents · country rank 2
Zone snapshot
Asia/Jakarta · GMT+7 · UTC+07:00
January / July offsets
UTC+07:00 / UTC+07:00
Nearest indexed neighbor
Denpasar, Indonesia · 313 km
Nearest world hub
Singapore · 1,377 km
Closest airport references
SUB Surabaya 15 km · SOC Surakarta 222 km · SRG Semarang 264 km · YIA Yogyakarta 306 km
Zone peer roster
Jakarta, Indonesia · Bekasi, Indonesia · Bandung, Indonesia
The page below keeps the timezone answer attached to the real local record for Surabaya: country facts, coordinate bands, nearby-city distances, airport references, and current calendar signals.
Surabaya is the surabaya-ID record in Indonesia: country slug indonesia, city slug surabaya, ISO ID, continent Asia, canonical IANA zone Asia/Jakarta.
7.25°S, 112.75°E; Southern Hemisphere, Eastern Hemisphere; rounded latitude band -8 and longitude band 112; exact decimal pair -7.24917, 112.75083.
Indonesia: official name Republic of Indonesia; capital Jakarta; region Asia; subregion South-Eastern Asia; country population 284,438,782; area 1,904,569 km²; languages Indonesian; currencies IDR Indonesian rupiah. This is the country layer behind the Surabaya clock, not a generic timezone-only record.
Indonesia: Indonesia, officially the Republic of Indonesia, is a country in Southeast Asia and Oceania, between the Indian and Pacific oceans. Comprising over 17,000 islands, including Sumatra, Java, Sulawesi, and parts of Borneo and New Guinea, Indonesia is the world's largest archipelagic state and the 14th-largest country by area, at 1,904,569 square kilometres. Indonesia has significant areas of wilderness that support one of the world's highest levels of biodiversity. It shares land borders with Papua New Guinea, Timor-Leste, and Malaysia, as well as maritime borders with seven other countries, including Australia, Singapore, and the Philippines. Source: Wikipedia.
Denpasar [denpasar-ID, ID, Asia/Makassar, 313 km]; Bandung [bandung-ID, ID, Asia/Jakarta, 569 km]; Bekasi [bekasi-ID, ID, Asia/Jakarta, 646 km]; Jakarta [jakarta-ID, ID, Asia/Jakarta, 662 km]; Makassar [makassar-ID, ID, Asia/Makassar, 775 km]; Balikpapan [balikpapan-ID, ID, Asia/Makassar, 804 km]; Flying Fish Cove [flying-fish-cove-CX, CX, Indian/Christmas, 853 km]; Samarinda [samarinda-ID, ID, Asia/Makassar, 896 km]
Surabaya is part of this indexed country cluster: Jakarta [jakarta-ID, Asia/Jakarta, pop 8,540,121]; Surabaya [surabaya-ID, Asia/Jakarta, pop 2,874,314]; Bekasi [bekasi-ID, Asia/Jakarta, pop 2,564,940]; Bandung [bandung-ID, Asia/Jakarta, pop 2,444,160]; Makassar [makassar-ID, Asia/Makassar, pop 1,423,877]; Samarinda [samarinda-ID, Asia/Makassar, pop 831,460]; Denpasar [denpasar-ID, Asia/Makassar, pop 725,314]; Balikpapan [balikpapan-ID, Asia/Makassar, pop 695,287]; Jayapura [jayapura-ID, Asia/Jayapura, pop 404,004]; Ambon [ambon-ID, Asia/Jayapura, pop 347,288].
Singapore 1,377 km; Sydney 4,929 km; Tokyo 5,541 km; Dubai 7,184 km; London 12,210 km; Los Angeles 14,012 km; São Paulo 15,923 km; New York 16,234 km
SUB Juanda International Airport in Surabaya [ID, 15 km]; SOC Adisoemarmo International Airport in Surakarta [ID, 222 km]; SRG Jenderal Ahmad Yani Airport in Semarang [ID, 264 km]; YIA Yogyakarta International Airport in Yogyakarta [ID, 306 km]; HLP Halim Perdanakusuma International Airport in Jakarta [ID, 656 km]
Country-level airport pages linked from this city context include CGK Soekarno-Hatta International Airport in Jakarta [ID]; HLP Halim Perdanakusuma International Airport in Jakarta [ID]; KNO Kualanamu International Airport in Beringin [ID]; SOC Adisoemarmo International Airport in Surakarta [ID]; SRG Jenderal Ahmad Yani Airport in Semarang [ID]; SUB Juanda International Airport in Surabaya [ID]; UPG Sultan Hasanuddin International Airport in Makassar [ID]; YIA Yogyakarta International Airport in Yogyakarta [ID].
Surabaya renders Jun 2, 2026 · 17:43 GMT+7; GMT+7 at UTC+07:00; January UTC+07:00; July UTC+07:00; next holiday Independence Day on 2026-08-17.
This evidence pack keeps the manual city dossier tied to the concrete route, coordinate, population, timezone, neighbor, airport, holiday, and source signals currently available for Surabaya.
Surabaya is a manual-dossier city; rank #2 of 12 retained Indonesia city pages. The route is /time/indonesia/surabaya/ and the city id is surabaya-ID.
Surabaya has 16 of 17 factual signals available on this render. Missing long-form editorial is not treated as missing time data when route, zone, coordinates, country, nearby-city, and planning signals are present.
Surabaya is pinned at 7.25°S, 112.75°E; Denpasar (313 km); Singapore (1,377 km).
Asia/Jakarta resolves to stable UTC+07:00 offset across January and July. 3 retained city pages share this zone; 0 same-zone anchors are outside Indonesia.
SUB Juanda International Airport (15 km) · Independence Day (Monday, August 17, 2026) · 8 country airport references · 8 holidays in the current country-year snapshot.
Surabaya uses IANA timezone math, curated GeoNames-derived city records, a city reference summary, a country reference summary, OurAirports links where mapped, Nager.Date holiday rows where available, and local solar/weather snapshots where coordinates are present.
These notes are pulled from the city-context and reference-summary snapshots, so same-timezone cities do not rely only on shared UTC offset text.
Surabaya: Surabaya is the capital and largest city of East Java province and the second-largest city in Indonesia, after Jakarta. Located on the northeastern corner of Java island, on the Madura Strait, it is one of the earliest port cities in Southeast Asia. According to the National Development Planning Agency, Surabaya is one of the four main central cities of Indonesia, alongside Jakarta, Medan, and Makassar. The city covers a land area of 335.93 km2, and had a population of 2,874,314 within its city limits at the 2020 census. With 3,018,022 people living in the city as of mid 2024 and over 10 million in the extended Surabaya metropolitan area, according to the latest official estimate, Surabaya is the second-largest metropolitan area in Indonesia. Surabaya metropolitan is also ASEAN's 6th largest economy ahead of Hanoi. In 2023, the city's GRP PPP was estimated at US$150.294 billion.
Does not observe daylight saving time. The UTC offset (+07:00) is constant year-round.
Surabaya is listed in the dataset snapshot as 7 hours ahead of UTC (offset +07:00). 6 hours ahead of London, 2 hours behind Tokyo.
Geographically at longitude 112.75°, Surabaya's mean solar noon falls about 31 minutes before civil 12:00 under the year-round civil offset — local sunrise and sunset run earlier on the clock than they would on true solar time.
Surabaya sits at 7.25°S, within ten degrees of the equator — day length stays close to twelve hours year-round and seasonal sunrise/sunset variation is minimal.
Surabaya sits at 7.25°S, within ten degrees of the equator — day length stays close to twelve hours year-round and seasonal sunrise/sunset variation is minimal.
Computed from the city coordinates using the NOAA solar position model across 2026. These values are mechanical and identical for every year-relative render, so two cities at different latitudes always produce distinct numbers.
Longest day
Dec 17 (12h 33m)
Shortest day
Jun 11 (11h 42m)
Year-round average
12h 7m
Annual swing
0h 51m
See the full daylight curve for Surabaya at /sun/surabaya/.
Each row projects a hub's 09:00-17:00 local working day into Surabaya local time so a glance reveals when each market is reachable from this city.
| Hub | IANA zone | Window in Surabaya |
|---|---|---|
| New York | America/New_York | 20:00 - 04:00 (next day) |
| London | Europe/London | 15:00 - 23:00 |
| Frankfurt | Europe/Berlin | 14:00 - 22:00 |
| Dubai | Asia/Dubai | 12:00 - 20:00 |
| Mumbai | Asia/Kolkata | 10:30 - 18:30 |
| Singapore | Asia/Singapore | 08:00 - 16:00 |
| Hong Kong | Asia/Hong_Kong | 08:00 - 16:00 |
| Tokyo | Asia/Tokyo | 07:00 - 15:00 |
IANA time zones in country
3
Public holidays in 2026
8
Surabaya is the second-largest city in Indonesia and the capital of East Java province, with a population of roughly 2.9 million in the city proper. It lies in the Western Indonesia Time zone (WIB, UTC+7), observed year-round with no daylight saving. A major port on the Madura Strait at the mouth of the Mas River, Surabaya is one of the busiest seaports in the country and a leading centre of shipping, manufacturing, and trade for eastern Indonesia. The city is known as the 'City of Heroes' (Kota Pahlawan) for the fierce Battle of Surabaya in November 1945, a defining episode of Indonesia's struggle for independence.
Sources
Last verified 2026-05-20 (manual).
Reference fields include Surabaya's city id, coordinates, timezone, country profile, nearby cities, airport links, holidays, weather, and related event/market context.
Snapshot at render time: 05:43:56 PM on Tuesday, June 2, 2026 in Surabaya (UTC+07:00, WIB).
Status
Daytime
Week Number
Week 23
Day of Year
Day 153
Days Remaining
212
Sunrise and sunset
05:35 AM to 05:18 PM
Day length 11h 43m · Solar noon 11:27 AM
Next country holiday
Independence Day
Monday, August 17, 2026 · Public
Tracked countdowns rendered for Surabaya local time, with sunrise/sunset and DST stats per page.
Code with Claude Tokyo 2026
keynoteWednesday, June 10, 2026
8 days to go
ICML 2026
keynoteMonday, July 6, 2026
34 days to go
Adobe MAX 2026
keynoteTuesday, November 10, 2026
161 days to go
NeurIPS 2026
keynoteSunday, December 6, 2026
187 days to go
Xbox Games Showcase 2026
keynoteSunday, June 7, 2026
5 days to go
Population
2.9M
Coordinates
-7.25, 112.75
Timezone
Asia/Jakarta
Indexed airports
8
Capital
Jakarta
Languages
Indonesian
Currency
IDR (Rp)
Country area
1,904,569 km²
Surabaya, Indonesia (population rank #2 in this dataset). Time zone: Asia/Jakarta (WIB, UTC+07:00); population ~2.9M.
Coordinates: 7.25°S, 112.75°E. Southern Hemisphere deep tropics, ~805 km from the equator.
Today the sun rises around 05:35 AM and sets around 05:18 PM in Surabaya — about 11h 43m of daylight. Indonesia stays on standard time here, so UTC+07:00 is stable through the year.
Denpasar (313 km from Surabaya) gives this page its nearest mapped city context, with 8 curated airport pages indexed for Indonesia.
Next national holiday: Independence Day, 2026-08-17.
Surabaya is indexed as a Asia city in the ID country record, using Asia/Jakarta as its canonical IANA timezone. The canonical route for this city is /time/indonesia/surabaya/.
Location context: 7.25°S, 112.75°E; population 2,874,314; nearest indexed city Denpasar is about 313 km away; closest reference hub is Singapore, about 1,377 km away.
Country planning context: capital Jakarta; subregion South-Eastern Asia; languages Indonesian; currency IDR (Rp); area 1,904,569 km²; 8 curated airport references; next holiday Independence Day on 2026-08-17.
Does not observe daylight saving time. The UTC offset (+07:00) is constant year-round.
Surabaya is listed in the dataset snapshot as 7 hours ahead of UTC (offset +07:00). 6 hours ahead of London, 2 hours behind Tokyo.
Geographically at longitude 112.75°, Surabaya's mean solar noon falls about 31 minutes before civil 12:00 under the year-round civil offset — local sunrise and sunset run earlier on the clock than they would on true solar time.
Surabaya sits at 7.25°S, within ten degrees of the equator — day length stays close to twelve hours year-round and seasonal sunrise/sunset variation is minimal.
Major metropolitan area with around 2.9 million residents in the city proper.
Related clock anchors for Surabaya: Jakarta (same time), San Francisco (−14h), Los Angeles (−14h), Kinshasa (−6h), Mumbai (−1.5h).
Cross-link to the most-searched comparison pages so you can plan calls and travel between cities.
indonesia
Tuesday, June 2, 2026
Timezone
WIB
IANA Zone
Asia/Jakarta
UTC Offset
UTC+07:00
DST Status
Standard Time
Week Number
Week 23
Day of Year
Day 153
Days Remaining
212
Quarter
Q2
London
-6h
New York
-11h
Los Angeles
-14h
Dubai
-3h
Singapore
+1h
Tokyo
+2h
Sydney
+3h
São Paulo
-10h
Year-long daylight curve. Shows how dramatic high-latitude summers are.
Shows whether it's currently business hours (9am to 5pm) in major financial centers, and how many hours they overlap with Surabaya.
City time, coordinate and population facts on this page are derived from the following authoritative datasets.
Distances from Surabaya: closest hubs Singapore (~1,377 km), Sydney (~4,929 km), Tokyo (~5,541 km); farthest indexed hub New York (~16,234 km).
Surabaya sits inside Indonesia — the South-Eastern Asia subregion, capital Jakarta, languages Indonesian, currency IDR (Rp).
Closest indexed cities to Surabaya: Denpasar (313 km), Bandung (569 km), Bekasi (646 km), Jakarta (662 km).
Upcoming country holiday signals around Surabaya: Independence Day, Christmas Day, New Year's Day. Bake those into launch, on-call, and travel windows for Indonesia.
Closest curated airport references from Surabaya: SUB Surabaya (15 km), SOC Surakarta (222 km), SRG Semarang (264 km).
Indonesia is one of the clearest examples of a multi-timezone country that still functions as one national market.
Juanda International AirportSUB
Surabaya · 15 km from Surabaya
Approx. transfer or flight-planning window: 46m
Adisoemarmo International AirportSOC
Surakarta · 222 km from Surabaya
Approx. transfer or flight-planning window: 1h 2m
Jenderal Ahmad Yani AirportSRG
Semarang · 264 km from Surabaya
Approx. transfer or flight-planning window: 1h 5m
Yogyakarta International AirportYIA
Yogyakarta · 306 km from Surabaya
Approx. transfer or flight-planning window: 1h 9m
Halim Perdanakusuma International AirportHLP
Jakarta · 656 km from Surabaya
Approx. transfer or flight-planning window: 1h 35m
Exchange snapshot
Currency snapshot unavailable
Coordination pulse
0 of 8 reference markets are in live business-hour overlap now
| City | Current local time | Difference | Business-hours overlap |
|---|---|---|---|
| London | 11:43 AM | -6h | Check the overlap widget below |
| New York | 06:43 AM | -11h | Check the overlap widget below |
| Los Angeles | 03:43 AM | -14h | Check the overlap widget below |
| Dubai | 02:43 PM | -3h | Check the overlap widget below |
| Singapore | 06:43 PM | +1h | Check the overlap widget below |
| Tokyo | 07:43 PM | +2h | Check the overlap widget below |
| Sydney | 08:43 PM | +3h | Check the overlap widget below |
| São Paulo | 07:43 AM | -10h | Check the overlap widget below |
Denpasar
Indonesia
Approx. 313 km away
Bandung
Indonesia
Approx. 569 km away
Bekasi
Indonesia
Approx. 646 km away
Jakarta
Indonesia
Approx. 662 km away
Makassar
Indonesia
Approx. 775 km away
Balikpapan
Indonesia
Approx. 804 km away
Flying Fish Cove
Christmas Island
Approx. 853 km away
Samarinda
Indonesia
Approx. 896 km away
Surabaya is in the Asia/Jakarta timezone (WIB), with a UTC offset of +07:00.
Surabaya does not have a detected daylight-saving offset change in the current IANA rules. The offset resolves to UTC+07:00 in both January and July for this year.
The current UTC offset for Surabaya is UTC+07:00.
No. The business-hours blocks use a simple 09:00-17:00 local-time planning window for Surabaya, plus live comparisons with reference cities. Confirm office, market, legal, or holiday-sensitive hours with the relevant official source.
The live clock, offset, daylight, weather, holiday, and business-overlap values are render-time snapshots from Jun 2, 2026 · 17:43 GMT+7. Static city facts are reviewed separately and come from curated timezone, city, airport, holiday, and country-profile datasets.
Surabaya sits at 7.25°S, 112.75°E in Indonesia, with about 2.9M residents (rank #2 by population in this dataset).
The closest reference hub to Surabaya is Singapore, about 1,377 km away as the crow flies.
Denpasar is the closest indexed city, roughly 313 km from Surabaya.
Juanda International Airport (SUB) is the closest curated airport reference, about 15 km from Surabaya.
Independence Day is the next upcoming holiday in Indonesia, on Monday, August 17, 2026.
Surabaya uses Indonesian rupiah (IDR, symbol Rp) as the local currency of Indonesia.
The longest day of 2026 in Surabaya falls on Dec 17 with about 12h 33m of daylight. The shortest is Jun 11 with 11h 42m; the year-round average is 12h 7m.
Indonesia spans 3 IANA time zones in total; Surabaya's canonical zone for this page is Asia/Jakarta.
In Surabaya local time, the 09:00-17:00 working day of major hubs falls at: New York 20:00-04:00 (next day); London 15:00-23:00; Frankfurt 14:00-22:00; Dubai 12:00-20:00. These windows shift twice a year when northern-hemisphere DST starts and ends.