Does it account for Daylight Saving Time?

Yes, our converter uses the IANA timezone database, which includes all current DST rules for every timezone in the world.

UTC (Coordinated Universal Time) is the primary time standard by which the world regulates clocks. All timezones are defined as offsets from UTC.

Can I compare multiple timezones at once?

Yes, you can add multiple cities or timezones and see the equivalent times side by side.

How many timezones are there in the world?

There are 38 distinct UTC offsets in use, ranging from UTC-12 to UTC+14. This includes half-hour (UTC+5:30 India, UTC+9:30 Australia) and 45-minute offsets (UTC+5:45 Nepal, UTC+8:45 Australia).

What is the International Date Line?

The International Date Line (IDL) runs roughly along the 180° meridian in the Pacific Ocean. When you cross it westward, you gain a day; crossing eastward, you lose a day.

Why do some timezones have 30 or 45 minute offsets?

Countries chose offsets that best matched their solar noon. India uses UTC+5:30 and Nepal uses UTC+5:45 because standard hourly offsets didn't align well with their geography.

Which country has the most timezones?

France has the most (12 timezones) due to overseas territories. Russia spans 11 timezones. The US has 6 (including Hawaii and Alaska).

HKT to WIB

-1h

HKT

HKTSOURCE

UTC+08:00

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

WIB

UTC+07:00

HH11

MM00

11:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

HKT

WIB

12:00 AM

11:00 PM-1

2:00 AM

1:00 AM

4:00 AM

3:00 AM

6:00 AM

5:00 AM

8:00 AM

7:00 AM

10:00 AM

9:00 AM

12:00 PM

11:00 AM

2:00 PM

1:00 PM

4:00 PM

3:00 PM

6:00 PM

5:00 PM

8:00 PM

7:00 PM

10:00 PM

9:00 PM

Green rows indicate typical business hours (9 AM - 5 PM)

HKT and WIB on the World Map

The map below highlights the HKT (Hong Kong Time) and WIB (Western Indonesia Time) timezone regions across the globe.

HKT Zone

→

WIB Zone

Explore all world timezones interactively →

HKT – Hong Kong Time

UTC+08:00

Hong Kong Time (HKT, UTC+08:00) is the time zone for Hong Kong, 8 hours ahead of UTC.

Countries in HKT

Hong Kong SAR

Major Cities in HKT

Hong KongKowloonTsuen WanSha Tin

Key Facts about HKT

•Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979.
•HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.
•The Hong Kong Stock Exchange opens at 09:30 HKT.
•Hong Kong Time does not change with the seasons, so its gap to other zones is fixed.

Daylight Saving:No – UTC+08:00 year-round

Learn more about HKT on Wikipedia

WIB – Western Indonesia Time

UTC+07:00

Western Indonesia Time (WIB, UTC+07:00) covers Java, Sumatra and West Kalimantan, including Jakarta.

Countries in WIB

Indonesia (Java, Sumatra, West Kalimantan)

Major Cities in WIB

JakartaSurabayaBandungMedanPalembang

Key Facts about WIB

•Indonesia spans three time zones: WIB (UTC+07:00), WITA (UTC+08:00) and WIT (UTC+09:00).
•Indonesia has not observed daylight saving time since 1964.
•Jakarta is the largest city in Southeast Asia by population.
•WIB shares the UTC+07:00 offset with Indochina Time.

Daylight Saving:No – UTC+07:00 year-round

Learn more about WIB on Wikipedia

Everything You Need to Know About HKT and WIB Time

HKT runs on Hong Kong Time (HKT) at UTC+08:00. WIB runs on Western Indonesia Time (WIB) at UTC+07:00. That puts HKT 1 hour behind WIB — a difference of -1h at the current offsets.

In practice, when it is 9:00 AM in HKT it is 8:00 AM in WIB. Midnight in HKT is 11:00 PM in WIB. Neither zone observes daylight saving time, so the offset between them stays constant all year.

HKT to WIB time conversion table

HKT (HKT)	WIB (WIB)	Day
12:00 AM	11:00 PM	previous day
6:00 AM	5:00 AM	same day
7:00 AM	6:00 AM	same day
8:00 AM	7:00 AM	same day
9:00 AM	8:00 AM	same day
12:00 PM	11:00 AM	same day
3:00 PM	2:00 PM	same day
5:00 PM	4:00 PM	same day
6:00 PM	5:00 PM	same day
9:00 PM	8:00 PM	same day

Why people convert HKT to WIB time

Scheduling a call from HKT to WIB: a 10:00 AM start in HKT lands at 9:00 AM in WIB, so you can confirm the slot without doing the arithmetic yourself.
Finding shared working hours: both HKT and WIB are inside the 9-to-5 working day between 10:00 AM and 5:00 PM HKT time (9:00 AM–4:00 PM WIB). That is roughly 7 hours of usable overlap.
Keeping family and friends in sync: knowing that 8:00 PM in HKT is 7:00 PM in WIB makes it easy to avoid calling at 3 AM.

Always state the zone abbreviation, not just the hour. "3:00 PM HKT" is unambiguous; "3 PM" across a -1h gap is not.
Block 10:00 AM–5:00 PM HKT as the recurring meeting window if you work primarily from HKT and need WIB colleagues present.

About HKT (Hong Kong Time)

Hong Kong Time (HKT) is fixed at UTC+08:00 all year and does not observe daylight saving time. Hong Kong last used summer time in 1979 and has kept a single offset since. HKT shares the UTC+08:00 offset with China Standard Time, Singapore Time, Malaysian Time, Philippine Time and Australian Western Standard Time, but is listed separately because Hong Kong maintains its own timekeeping authority. As a major financial centre, Hong Kong's trading hours set the rhythm for markets across Asia, opening at 09:30 HKT which is 01:30 in London and 20:30 the previous evening in New York.

About WIB (Western Indonesia Time)

Western Indonesia Time (WIB, Waktu Indonesia Barat) is one of Indonesia's three time zones, fixed at UTC+07:00 all year. It covers Java, Sumatra, West Kalimantan and the provinces around them — home to Jakarta, the country's capital and largest city, plus Surabaya and Bandung. Indonesia does not observe daylight saving time, so WIB never shifts. WIB shares its UTC+07:00 offset with Indochina Time (ICT) and Christmas Island Time, but is a distinct zone covering the western half of the Indonesian archipelago. The country's other zones are WITA (UTC+08:00) in the centre and WIT (UTC+09:00) in the east.

Best time to call between HKT and WIB

Both HKT and WIB sit inside the 9 AM – 5 PM working day between 10:00 AM–5:00 PM HKT, which is 9:00 AM–4:00 PM WIB. That gives roughly 7 hours of shared time — the safest window for a live call or meeting.

Business hours overlap

HKT and WIB share 7 hours of working-hours overlap (10:00 AM–5:00 PM HKT), so scheduling a live meeting is straightforward.

HKT is 1 hour behind WIB (HKT UTC+08:00 → WIB UTC+07:00). The shared working window is 10:00 AM–5:00 PM HKT. Remember to re-check around daylight-saving transitions.

Learn More About Time

Dive deeper into the fascinating world of timekeeping, time zones, and how they shape our global society:

⏳

History of Timekeeping

From sundials to atomic clocks - 5000 years of measuring time

🌍

How Time Zones Work

UTC, offsets, and why zones don't follow straight lines

☀️

Daylight Saving Time

DST dates, which countries observe it, and the ongoing debate

Frequently Asked Questions

What is the time difference between HKT and WIB?

HKT (HKT, UTC+08:00) is 1 hour behind WIB (WIB, UTC+07:00). The gap is currently -1h.

How do I convert HKT time to WIB time?

Add -1h to HKT local time. For example, 9:00 AM in HKT is 8:00 AM in WIB.

What time is it in WIB right now?

WIB uses WIB at UTC+07:00. Use the live converter at the top of this page — it updates in real time and already accounts for the -1h offset from HKT.

What is the best time to call WIB from HKT?

Call between 10:00 AM and 5:00 PM HKT — that maps to 9:00 AM–4:00 PM WIB and keeps both parties inside the working day.

Which is behind, HKT or WIB?

HKT is 1 hour behind WIB. When it is 12:00 PM in HKT it is 11:00 AM in WIB.

Does daylight saving time affect the HKT–WIB difference?

Neither zone observes daylight saving time, so the -1h offset between HKT and WIB is fixed all year.

Which other cities share HKT's time zone?

HKT also covers Hong Kong, Kowloon, Tsuen Wan, Sha Tin.

Which countries use HKT, HKT's zone?

HKT is used in Hong Kong SAR.

Is there a day difference between HKT and WIB?

Not normally. The -1h gap only pushes the date over the previous day.

What is the time difference between HKT and WIB?

WIB is -1h from HKT.

What timezone is HKT in?

HKT operates on its local timezone.

What timezone is WIB in?

WIB operates on its local timezone.

Which countries use HKT (Hong Kong Time)?

HKT is used in Hong Kong SAR.

Does HKT observe daylight saving time?

No, HKT does not observe daylight saving time and remains at UTC+08:00 year-round.

What are some interesting facts about HKT?

Hong Kong does not observe daylight saving time and has kept UTC+08:00 since 1979. HKT shares its offset with China Standard Time, Singapore Time and Philippine Time.