World Timezones

Surabaya to Singapore Converter

Compare Singapore to Surabaya instead
Surabaya10:53 amMon, Jun 8
SurabayaWIB
Indonesia · UTC+7
10:53 amMon, Jun 8
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SingaporeSGT
Singapore · UTC+8
11:53 amMon, Jun 8
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Offset

The time difference between Surabaya and Singapore is 1 hour.

1 hour

Surabaya (WIB) is behind Singapore (SGT).

WIB: UTC+7

SGT: UTC+8

Neither Surabaya nor Singapore is currently observing daylight saving time.

When to schedule

Business-hours overlap: 9 AM–4 PM in Surabaya (10 AM–5 PM in Singapore).

Both teams are in working hours during this window on weekdays.

Suggested time: 12:00 PM Surabaya (1:00 PM Singapore).

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

Singapore

  • New Year's DayThu, Jan 1
  • Chinese New YearTue, Feb 17
  • Chinese New YearWed, Feb 18
  • Hari Raya PuasaFri, Mar 20
  • Good FridayFri, Apr 3
  • Labour DayFri, May 1
  • Hari Raya Haji (Tentative Date)Wed, May 27
  • National DayMon, Aug 10
  • DeepavaliMon, Nov 9
  • Christmas DayFri, Dec 25

About these zones

Surabaya uses Western Indonesia Time (WIB). To call Indonesia, dial +62.

Singapore uses Singapore Time (SGT). To call Singapore, dial +65.

Singapore is approximately 850 miles northwest of Surabaya.

Quick reference

Full 24-hour conversion table — tap any time to open it in the converter.

SurabayaSingaporeDay
12:00 am1:00 amSame day
1:00 am2:00 amSame day
2:00 am3:00 amSame day
3:00 am4:00 amSame day
4:00 am5:00 amSame day
5:00 am6:00 amSame day
6:00 am7:00 amSame day
7:00 am8:00 amSame day
8:00 am9:00 amSame day
9:00 am10:00 amSame day
10:00 am11:00 amSame day
11:00 am12:00 pmSame day
12:00 pm1:00 pmSame day
1:00 pm2:00 pmSame day
2:00 pm3:00 pmSame day
3:00 pm4:00 pmSame day
4:00 pm5:00 pmSame day
5:00 pm6:00 pmSame day
6:00 pm7:00 pmSame day
7:00 pm8:00 pmSame day
8:00 pm9:00 pmSame day
9:00 pm10:00 pmSame day
10:00 pm11:00 pmSame day
11:00 pm12:00 am+1 day

Daylight saving time

Neither Surabaya nor Singapore 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

Surabaya
Sunrise
5:37 AM
Sunset
5:20 PM
Day length
11h 43m
Singapore
Sunrise
6:59 AM
Sunset
7:10 PM
Day length
12h 12m

Daylight overlap: 11h 22m — 5:59 AM–5:20 PM in Surabaya (6:59 AM–6:20 PM in Singapore). Both locations are in daylight during this window.

Cities in these zones

Browse all cities to see the current local time anywhere.

Airports in these zones

Airports in Western Indonesia Time

  • CGK
  • HLP
  • SUB
  • BDO
  • KNO
  • PLM
  • SRG

Airports in Singapore Time

  • SIN

Related conversions

Common conversions

What is 9:00 am Surabaya in Singapore?
9:00 am Surabaya is 10:00 am Singapore.
What is 12:00 pm Surabaya in Singapore?
12:00 pm Surabaya is 1:00 pm Singapore.
What is 12:30 pm Surabaya in Singapore?
12:30 pm Surabaya is 1:30 pm Singapore.
What is 2:00 pm Surabaya in Singapore?
2:00 pm Surabaya is 3:00 pm Singapore.
What is 5:00 pm Surabaya in Singapore?
5:00 pm Surabaya is 6:00 pm Singapore.
What is 11:30 pm Surabaya in Singapore?
11:30 pm Surabaya is 12:30 am Singapore, the next day.