Updating current time…
IndonesiaWIB
UTC+7
12am
3am
6am
9am
12pm
3pm
6pm
9pm
IndonesiaWITA
UTC+8
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

7:00 pm19:00 WIB (UTC+7), Oct 13, 2026 = 8:00 pm20:00 WITA (UTC+8), Oct 13, 2026

Surabaya is 1 hour behind Somba.

How the time difference changes

Surabaya is 1 hour behind Somba year-round.

Working hours of 9:00 am to 5:00 pm in Surabaya correspond to 10:00 am to 6:00 pm in Somba.Working hours of 09:00 to 17:00 in Surabaya correspond to 10:00 to 18:00 in Somba.

Compare Surabaya time with Somba time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

WIB (Western Indonesian Time) is 1 hour behind WITA (Central Indonesian Time).
7:00 pm19:00 in Surabaya, Indonesia is 8:00 pm20:00 in Somba, Indonesia

Surabaya to Somba call time
Best time for a conference call or a meeting is between 9am-4pm09:00-16:00 in Surabaya which corresponds to 10am-5pm10:00-17:00 in Somba

7:00 pm19:00 WIB (Western Indonesian Time) (Surabaya, Indonesia). Offset UTC +7:00 hours
8:00 pm20:00 WITA (Central Indonesian Time) (Somba, Indonesia). Offset UTC +8:00 hours

7:00 pm19:00 Surabaya, Indonesia / 8:00 pm20:00 Somba, Indonesia

Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.

Hourly time comparison
Surabaya, IndonesiaSomba, Indonesia
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Surabaya Time Zone and Facts

Time Zone

Abbreviation / Offset
WIB – Western Indonesian Time, UTC+7 (no daylight saving time)

Surabaya Facts

Country
Indonesia
Alternative Names
Kota Surabaya, Kutha Surabaya, SUB, Soerabaja, Soerabaya, Sourabaya, Sourampagia, Surabaia, Surabaja, Surabajo, Surabaya, si shui, sulabaya, sura ba ya, surabaia, surabaya, swrabaya, swrbyh, Σουραμπάγια, Сурабайа, Сурабая, Сурабаја, סורביה, سورابايا, سورابایا, สุราบายา, სურაბაია, スラバヤ, 泗水, 수라바야
Population
3,018,022
Currency
Rupiah (IDR)
Geographic Coordinates
7° 14' S Latitude / 112° 45' E Longitude
International Dialing Code
+62

Somba Time Zone and Facts

Time Zone

Abbreviation / Offset
WITA – Central Indonesian Time, UTC+8 (no daylight saving time)

Somba Facts

Country
Indonesia
Currency
Rupiah (IDR)
Geographic Coordinates
3° 22' S Latitude / 118° 50' E Longitude
International Dialing Code
+62