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).

MDT to Hong Kong

+14h

MDT

MDTSOURCE

UTC-06:00☀ DST active

HH12

MM00

12:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Hong Kong

HKT

Hong Kong · UTC+08:00

HH02

MM00

(next day)02:00 (24-hr)

12 AM6 AM12 PM6 PM12 AM

Quick Reference

Time Conversion Table

MDT

Hong Kong

12:00 AM

2:00 PM

2:00 AM

4:00 PM

4:00 AM

6:00 PM

6:00 AM

8:00 PM

8:00 AM

10:00 PM

10:00 AM

12:00 AM+1

12:00 PM

2:00 AM+1

2:00 PM

4:00 AM+1

4:00 PM

6:00 AM+1

6:00 PM

8:00 AM+1

8:00 PM

10:00 AM+1

10:00 PM

12:00 PM+1

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

MDT and HKT on the World Map

The map below highlights the MDT (Mountain Daylight Time) and HKT (Hong Kong Time) timezone regions across the globe.

MDT Zone

→

HKT Zone

Explore all world timezones interactively →

MDT – Mountain Daylight Time

UTC-06:00

Mountain Daylight Time (MDT) is the daylight saving offset in the Mountain Time Zone, 6 hours behind UTC.

Countries in MDT

United States (Mountain)Canada (Alberta)

Major Cities in MDT

DenverCalgaryEdmontonSalt Lake CityBoise

Key Facts about MDT

•MDT shares the same offset as CST (UTC-06:00).
•Arizona does not switch to MDT, remaining on MST.

Daylight Saving:Yes – switches to MST

Learn more about MDT on Wikipedia

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

About Hong Kong

Wikipedia

Hong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.

Population:7.5 million

Metro:7.5 million

Business Hours:9:00 AM - 6:00 PM HKT

Currency:HKD (HK$)

Stock Exchange:HKEX (Hong Kong Stock Exchange)

Key Landmarks

Victoria PeakTian Tan BuddhaVictoria HarbourStar FerryHong Kong Disneyland

Did You Know?

The city has one of the world's most efficient and affordable public transit systems.

Learn more about HKT timezone →

Comparing Time Zones: MDT and Hong Kong

MDT runs on Mountain Daylight Time (MDT) at UTC-06:00. Hong Kong runs on Hong Kong Standard Time (HKT) at UTC+08:00. That puts MDT 14 hours ahead of Hong Kong — a difference of +14h at the current offsets.

In practice, when it is 9:00 AM in MDT it is 11:00 PM in Hong Kong. Midnight in MDT is 2:00 PM in Hong Kong. Neither zone observes daylight saving time, so the offset between them stays constant all year.

MDT to Hong Kong time conversion table

MDT (MDT)	Hong Kong (HKT)	Day
12:00 AM	2:00 PM	same day
6:00 AM	8:00 PM	same day
7:00 AM	9:00 PM	same day
8:00 AM	10:00 PM	same day
9:00 AM	11:00 PM	same day
12:00 PM	2:00 AM	next day
3:00 PM	5:00 AM	next day
5:00 PM	7:00 AM	next day
6:00 PM	8:00 AM	next day
9:00 PM	11:00 AM	next day

Why people convert MDT to Hong Kong time

Scheduling a call from MDT to Hong Kong: a 10:00 AM start in MDT lands at 12:00 AM in Hong Kong the next day, so you can confirm the slot without doing the arithmetic yourself.
Handling a +14h gap: MDT and Hong Kong have no overlap inside a normal 9-to-5 day, so real-time meetings need an early-morning or late-evening slot on one side. 9:00 AM in Hong Kong is 11:00 PM in MDT.
Coordinating a MDT-based team with Hong Kong contacts: quoting times in the other side's local clock — not your own — removes the single biggest source of missed meetings.

Always state the zone abbreviation, not just the hour. "3:00 PM MDT" is unambiguous; "3 PM" across a +14h gap is not.
With a +14h gap there is no shared 9-to-5 window, so alternate the early start: one week MDT takes the early slot, the next week Hong Kong does.

About MDT (Mountain Daylight Time)

Mountain Daylight Time (MDT) is observed during summer months in the Mountain Time Zone, except in Arizona which stays on MST year-round. MDT aligns with Central Standard Time (CST) at UTC-06:00.

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.

Best time to call between MDT and Hong Kong

With a +14h offset there is no overlap inside a normal 9 AM – 5 PM day. Hong Kong opens at 9:00 AM HKT, which is 11:00 PM in MDT, so real-time calls need an early-morning or late-evening slot on one side.

Business hours overlap

MDT and Hong Kong have no shared working hours because of the +14h gap. Teams need to alternate early starts or rely on asynchronous handovers.

MDT is 14 hours ahead of Hong Kong (MDT UTC-06:00 → HKT UTC+08:00). There is no shared 9-to-5 window, so plan around an early or late slot. Remember to re-check around daylight-saving transitions.

🕐 Daylight Saving Time Info

MDT

☀ Currently in DST

Standard: UTC-07:00 · DST: UTC-06:00

Clocks fall back on Sun, Nov 1, 2026

Hong Kong

Does not observe DST

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 MDT and Hong Kong?

MDT (MDT, UTC-06:00) is 14 hours ahead of Hong Kong (HKT, UTC+08:00). The gap is currently +14h.

How do I convert MDT time to Hong Kong time?

Add +14h to MDT local time. For example, 9:00 AM in MDT is 11:00 PM in Hong Kong.

What time is it in Hong Kong right now?

Hong Kong uses HKT at UTC+08:00. Use the live converter at the top of this page — it updates in real time and already accounts for the +14h offset from MDT.

What is the best time to call Hong Kong from MDT?

There is no shared working-hours window because of the +14h gap. The closest option is 1:00 PM in MDT, which is 3:00 AM in Hong Kong.

Which is ahead, MDT or Hong Kong?

MDT is 14 hours ahead of Hong Kong. When it is 12:00 PM in MDT it is 2:00 AM in Hong Kong.

Do MDT and Hong Kong use different time zones?

MDT uses MDT at UTC-06:00, while Hong Kong (Hong Kong) uses HKT at UTC+08:00. The IANA identifiers are America/Denver and Asia/Hong_Kong.

Does daylight saving time affect the MDT–Hong Kong difference?

Neither zone observes daylight saving time, so the +14h offset between MDT and Hong Kong is fixed all year.

Which other cities share MDT's time zone?

MDT also covers Denver, Calgary, Edmonton, Salt Lake City, Boise.

Which countries use MDT, MDT's zone?

MDT is used in United States (Mountain), Canada (Alberta).

Is there a day difference between MDT and Hong Kong?

Sometimes. The +14h gap is large enough that 8:00 PM or later in MDT already falls on the next day in Hong Kong.

What is the time difference between MDT and Hong Kong?

Hong Kong is +14h from MDT.

What timezone is MDT in?

MDT operates on its local timezone.

What timezone is Hong Kong in?

Hong Kong Time (HKT) is UTC+8 with no daylight saving. As a major financial gateway to China, Hong Kong trading hours overlap with European morning sessions.

What are the business hours in Hong Kong?

Standard business hours in Hong Kong are 9:00 AM - 6:00 PM HKT.

Which countries use MDT (Mountain Daylight Time)?

MDT is used in United States (Mountain), Canada (Alberta).

Does MDT observe daylight saving time?

Yes, MDT switches to MST during summer months.

What are some interesting facts about MDT?

MDT shares the same offset as CST (UTC-06:00). Arizona does not switch to MDT, remaining on MST.

Which cities are in the HKT timezone?

Major cities in the HKT timezone include Hong Kong, Kowloon, Tsuen Wan, Sha Tin.

What is the UTC offset for HKT?

Hong Kong Time (HKT) is at UTC+08:00.

What should I know about the HKT timezone?

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.