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Time calculator

Hong Kong Time

Live local time in Hong Kong (Asia/Hong_Kong). Hong Kong Time is UTC+8 year-round with no Daylight Saving Time. Runs locally in your browser. Try it free.

Instant result
Result
—

Enter values to calculate.

Inputs—
Mode—
Formula—
Trust summary Engine tested · Specification checked · v1.0.1
Input interpretation
Enter values to calculate.
Result
—
Model
Current local date and time in the Asia/Hong_Kong time zone (Hong Kong Time).
Scope
Device clock and OS timezone database are reasonably correct.
Verification
Engine tested · Specification checked · v1.0.1
Named expert review
Optional · Not performed
Specification basis
  • IANA time zone database — Asia/Hong_Kong
  • Hong Kong Time (HKT) = UTC+08:00
  • Hong Kong: no Daylight Saving Time
Specification basis

Formulas

Core equations used by this calculator.

IANA zoneAsia/Hong_Kong
HKT (year-round)UTC + 8 hours
iNo seasonal clock change. Same offset as China Standard Time and Singapore Time, different IANA zone.

How to use

1

Open the live clock

The page shows current date and time for Asia/Hong_Kong from your browser.

2

Refresh if needed

Use Refresh to re-read the clock; the display also updates about once per second.

3

Plan with a fixed offset

Hong Kong stays on HKT (UTC+8) all year.

Example calculations

Common configurations with formula and result.

ϟ

Noon UTC

HKT = UTC+8

12:00 UTC + 8 h
20:00 HKT
ϟ

vs Beijing

Both UTC+8

Difference = 0
Identical clock time
ϟ

vs Tokyo

JST = UTC+9

JST − HKT = 1 h
Hong Kong is 1 hour behind Tokyo
ϟ

vs London in winter

GMT = UTC+0

HKT − GMT = 8 h
Hong Kong is 8 hours ahead of GMT

Hong Kong vs other zones

Common values at a glance.

City / zoneOffsetHong Kong relative
Beijing / Singapore / TaipeiUTC+8Same time
Tokyo / SeoulUTC+91 hour behind
Bangkok (ICT)UTC+71 hour ahead
India (IST)UTC+5:302 hours 30 min ahead
London (GMT)UTC+08 hours ahead
New York (EST)UTC−513 hours ahead
UTCUTC+08 hours ahead
i When London or New York are on daylight time, Hong Kong’s lead shrinks by one hour. Hong Kong’s own offset never changes.

Hong Kong Time specification

Version 1.0.1 · Engine tested

Calculation status
  • Engine tested 3 published cases
  • Named expert review Not performed
  • Calculation version 1.0.1

Review policy

Definition
Hong Kong uses Hong Kong Time (HKT, UTC+08:00) on the IANA zone Asia/Hong_Kong year-round. Hong Kong does not observe Daylight Saving Time. The clock matches Beijing, Singapore, and Taipei, but the IANA id is separate.
What it calculates
Current local date and time in the Asia/Hong_Kong time zone (Hong Kong Time).
Inputs
  • None — uses the device clock and the IANA zone Asia/Hong_Kong
Outputs
  • Local time (24-hour style from the browser formatter)
  • Local calendar date
Formula
Display = Intl.DateTimeFormat with timeZone Asia/Hong_Kong
Assumptions
  • Device clock and OS timezone database are reasonably correct.
  • Runs locally in the browser; no server round-trip for the clock.
Units
  • Civil local time (hours, minutes, seconds)
  • UTC offset HKT +8 (fixed)
Boundary conditions
  • No DST transitions
Example
12:00 UTC → 20:00 Asia/Hong_Kong
Validation cases

3 published on this page

  • UTC 12:00 → 20:00 Asia/Hong_Kong
  • Same instant as Asia/Shanghai → Identical clock time
  • Same instant as Asia/Tokyo → Hong Kong is 1 hour earlier
Specification basis
  • IANA time zone database — Asia/Hong_Kong
  • Hong Kong Time (HKT) = UTC+08:00
  • Hong Kong: no Daylight Saving Time
Calculation version
1.0.1

Background

Interpretation and common distinctions.

Current time in Hong Kong

This page shows a live local clock for Hong Kong, using the IANA zone Asia/Hong_Kong. Time is read from your browser with that zone applied — UTC+8 all year.

Hong Kong Time (HKT)

Name Abbreviation UTC offset DST
Hong Kong Time HKT UTC+8 None

Hong Kong does not observe Daylight Saving Time. The clock matches Beijing, Singapore, and Taiwan, each with its own IANA id.

How Hong Kong time compares

  • Beijing / Singapore / Taiwan: identical local time.
  • Tokyo / Seoul: Hong Kong is 1 hour behind.
  • Bangkok: Hong Kong is 1 hour ahead.
  • India: Hong Kong is 2 hours 30 minutes ahead.
  • London: 8 hours ahead of GMT; 7 hours ahead of BST.
  • UTC: always 8 hours ahead.

Other calculators in this family: Beijing / China Time, Singapore Time, Taiwan Time, Tokyo / Japan Time, UTC Time .

🕐 Beijing / China Time › 🕐 Singapore Time › 🕐 Taiwan Time › 🕐 Tokyo / Japan Time › 🌐 UTC Time ›
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Frequently asked questions

Key distinctions behind the calculation.

What time zone is Hong Kong in?

Hong Kong uses Hong Kong Time (HKT). The IANA identifier is Asia/Hong_Kong. The offset is UTC+8 all year.

Does Hong Kong observe Daylight Saving Time?

No. Clocks stay on HKT (UTC+8) with no spring-forward or fall-back.

Is Hong Kong the same time as Beijing?

Yes for the clock face — both are UTC+8. They use different IANA zones (Asia/Hong_Kong vs Asia/Shanghai).

How does Hong Kong compare to Tokyo?

Hong Kong is always one hour behind Japan Standard Time (UTC+9).

Why use Asia/Hong_Kong instead of “CST”?

“CST” is ambiguous (China Standard Time, U.S. Central, Cuba). Prefer HKT, UTC+8, or Asia/Hong_Kong.

What is UTC?

Coordinated Universal Time is the global time standard. Hong Kong is always UTC+8.