World Timezones

Singapore to Surabaya Converter

Compare Surabaya to Singapore instead
Singapore11:41 amMon, Jun 8
SingaporeSGT
Singapore · UTC+8
11:41 amMon, Jun 8
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p
11p
SurabayaWIB
Indonesia · UTC+7
10:41 amMon, Jun 8
11p
12a
1a
2a
3a
4a
5a
6a
7a
8a
9a
10a
11a
12p
1p
2p
3p
4p
5p
6p
7p
8p
9p
10p

Offset

The time difference between Singapore and Surabaya is 1 hour.

1 hour

Singapore (SGT) is ahead of Surabaya (WIB).

SGT: UTC+8

WIB: UTC+7

Neither Singapore nor Surabaya is currently observing daylight saving time.

When to schedule

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

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

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

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.

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

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

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

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

Surabaya is approximately 850 miles southeast of Singapore.

Quick reference

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

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

Daylight saving time

Neither Singapore nor Surabaya 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

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

Daylight overlap: 11h 22m — 6:59 AM–6:20 PM in Singapore (5:59 AM–5:20 PM in Surabaya). 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 Singapore Time

  • SIN

Airports in Western Indonesia Time

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

Related conversions

Common conversions

What is 9:00 am Singapore in Surabaya?
9:00 am Singapore is 8:00 am Surabaya.
What is 12:00 pm Singapore in Surabaya?
12:00 pm Singapore is 11:00 am Surabaya.
What is 12:30 pm Singapore in Surabaya?
12:30 pm Singapore is 11:30 am Surabaya.
What is 2:00 pm Singapore in Surabaya?
2:00 pm Singapore is 1:00 pm Surabaya.
What is 5:00 pm Singapore in Surabaya?
5:00 pm Singapore is 4:00 pm Surabaya.
What is 11:30 pm Singapore in Surabaya?
11:30 pm Singapore is 10:30 pm Surabaya.