HKT to IDT Converter
Convert time between Hong Kong Time (HKT) and Israel Daylight Time (IDT)
Hong Kong Time (HKT)
Israel Daylight Time (IDT)
Time Difference
Israel Daylight Time (IDT) is 0 hours ahead of Hong Kong Time (HKT)
Select Date
Select Time
Quick Reference
| HKT | IDT |
|---|---|
| 10:00 | 05:00 |
| 12:00 | 07:00 |
| 14:00 | 09:00 |
| 16:00 | 11:00 |
| 18:00 | 13:00 |
| 20:00 | 15:00 |
| 22:00 | 17:00 |
| 00:00 | 19:00 |
| 02:00 | 21:00 |
| 04:00 | 23:00 |
| 06:00 | 01:00 |
| 08:00 | 03:00 |
Top 10 Most Common Time Zones
| Abbreviation | Full Name | UTC Offset | Typical Use |
|---|---|---|---|
| UTC | Coordinated Universal Time | UTC ±0 | Global reference standard (servers, logs, APIs) |
| EST / EDT | Eastern (US) Time | UTC −5 / −4 | New York, Toronto — North American business hub |
| CST / CDT | Central (US) Time | UTC −6 / −5 | Chicago, Dallas — US central business region |
| PST / PDT | Pacific (US) Time | UTC −8 / −7 | San Francisco, Los Angeles — tech industry standard |
| GMT / BST | Greenwich Mean / British Summer Time | UTC 0 / +1 | UK, used globally as a reference with UTC |
| CET / CEST | Central European (Summer) Time | UTC +1 / +2 | Paris, Berlin, Amsterdam — EU business core |
| IST | India Standard Time | UTC +5:30 | India — major IT & outsourcing region |
| CST | China Standard Time | UTC +8 | Beijing, Shanghai — East Asia business hub |
| JST | Japan Standard Time | UTC +9 | Tokyo — finance & tech hub |
| AEST / AEDT | Australian Eastern (Daylight) Time | UTC +10 / +11 | Sydney, Melbourne — APAC regional business |
Why Time Zone Abbreviations Are Ambiguous
Unlike standardized identifiers (like America/New_York or Europe/London from the IANA tz database), abbreviations such as "CST" or "IST" are not globally unique. They can refer to different time zones depending on context — country, region, or even time of year (due to daylight saving time).
Common Ambiguous Time Zone Abbreviations
| Abbrev. | Common Meaning(s) | UTC Offset | Region(s) |
|---|---|---|---|
| CST | Central Standard Time / China Standard Time / Cuba Standard Time | UTC−6 / UTC+8 / UTC−5 | North America, China, Cuba |
| IST | Indian Standard Time / Irish Standard Time / Israel Standard Time | UTC+5:30 / UTC+1 / UTC+2 | India, Ireland, Israel |
| AST | Atlantic Standard Time / Arabia Standard Time | UTC−4 / UTC+3 | Caribbean, Canada, Middle East |
| PST | Pacific Standard Time / Philippine Standard Time | UTC−8 / UTC+8 | North America, Philippines |
| EST | Eastern Standard Time (North America / Australia) | UTC−5 / UTC+10 | North America, Australia |
✅ Best Practice
To avoid ambiguity, always:
- Use IANA tz identifiers — e.g.,
America/New_Yorkinstead of "EST" - Specify UTC offset explicitly — e.g.,
UTC−5when abbreviations must be used - Include the full timezone name — e.g., "Eastern Standard Time (EST)" with UTC offset
About HKT to IDT Time Conversion
Converting time between Hong Kong Time (HKT) and Israel Daylight Time (IDT) is a 5-hour calculation during Israel's summer DST period. HKT is UTC+8 year-round, while IDT is UTC+3, so Hong Kong is 5 hours ahead of Tel Aviv, Jerusalem and Haifa from late March to late October. In winter, Israel switches to IST (UTC+2) and the gap widens to 6 hours.
This time zone converter uses the IANA timezone database (Asia/Hong_Kong and Asia/Jerusalem) for accurate calculations. Hong Kong does not observe daylight saving, so only the Israel side shifts. Note that IDT here means Israel Daylight Time — not India Standard Time, which uses the same abbreviation informally. Whether you are scheduling Hong Kong to Tel Aviv calls, coordinating with Israeli partners or planning travel, our converter handles the DST switch automatically.
Common Use Cases for HKT to IDT Conversion
Business & Work
- Scheduling calls between Hong Kong and Tel Aviv tech or finance teams
- Coordinating trade, R&D and investment workflows between East Asia and Israel
- Planning conference calls with Jerusalem, Haifa or Beersheba partners during Israeli summer
Personal & Travel
- Planning travel from Hong Kong to Israel during summer months
- Coordinating with family and friends in Tel Aviv or Jerusalem
- Scheduling virtual events with Israeli contacts during DST
Time Zone Information
Hong Kong Time (HKT)
- UTC Offset: UTC+8
- IANA Timezone: Asia/Hong_Kong
- Daylight Saving: No daylight saving time (consistent year-round)
- Major Cities: Hong Kong, Kowloon, Tsuen Wan, Yuen Long
- Coverage: Hong Kong Special Administrative Region
Israel Daylight Time (IDT)
- UTC Offset: UTC+3 (UTC+2 IST in winter)
- IANA Timezone: Asia/Jerusalem
- Daylight Saving: Late March to late October (Friday before last Sunday in March to last Sunday in October)
- Major Cities: Tel Aviv, Jerusalem, Haifa, Rishon LeZion, Beersheba
- Coverage: Israel
Quick Reference: HKT to IDT
Remember: IDT is 5 hours behind HKT during Israel's summer DST. In winter, Israel uses IST (UTC+2) and the gap becomes 6 hours.
Frequently Asked Questions
What is the time difference between HKT and IDT?
Hong Kong Time (HKT) is UTC+8, while Israel Daylight Time (IDT) is UTC+3. IDT is 5 hours behind HKT during Israel's summer DST period. When it is 12:00 PM in Hong Kong, it is 7:00 AM in Tel Aviv or Jerusalem.
When does IDT apply, and what happens in winter?
IDT runs from the Friday before the last Sunday of March to the last Sunday of October. Outside that window, Israel switches to Israel Standard Time (IST, UTC+2) and the gap widens to 6 hours. Hong Kong does not observe DST, so only the Israel side shifts.
Is IDT the same as India Standard Time?
No. IDT here is Israel Daylight Time (UTC+3, summer). India Standard Time (UTC+5:30, year-round) is also sometimes written IST and the abbreviation collision is common. See HKT to IST for the India conversion.
What are the best times for HKT-IDT business calls?
Overlap is narrow but workable. Hong Kong afternoon (1:00 to 6:00 PM HKT) maps to Israel morning (8:00 AM to 1:00 PM IDT), a clean live window for both sides. Hong Kong evening (after 7:00 PM HKT) catches Israel's lunch and early afternoon.
Which regions use IDT?
IDT is used in Israel from late March to late October. Major cities include Tel Aviv, Jerusalem, Haifa, Rishon LeZion and Beersheba. The Palestinian Territories follow a similar but separately-administered schedule.
Which countries or regions use HKT?
Hong Kong Time is used in the Hong Kong Special Administrative Region. The same UTC+8 offset is shared with mainland China (CST), Taiwan, Singapore (SGT), the Philippines (PHT) and Western Australia (AWST).
Pro Tips
- • IDT is 5 hours behind HKT — subtract 5 hours from Hong Kong time to get Tel Aviv or Jerusalem time.
- • IDT only applies in summer. In winter, Israel is on IST (UTC+2) and the gap is 6 hours.
- • IDT ≠ India IST. The same letters cause confusion; this page is the Israel summer zone.
- • Hong Kong 1:00 PM to 6:00 PM ≈ Israel 8:00 AM to 1:00 PM IDT — a clean live meeting window.
- • Israel's workweek is Sunday to Thursday. Friday afternoon and Saturday are weekend, so plan calls accordingly.
- • Use IANA identifier Asia/Jerusalem in calendars so DST transitions are handled automatically.