HST to IDT Converter
This page converts Hawaii Standard Time (HST) to Israel Daylight Time (IDT). IDT is 13 hours ahead of HST, so a meeting at one time slides predictably to the other. Edit the time or date to begin.
Daylight saving notes
In Israel, the exact daylight-saving start and end dates vary by year. That affects Israel Daylight Time (IDT).
HST to IDT conversion chart
For example, a 9:00 AM HST meeting takes place at 10:00 PM IDT. Concretely, when Honolulu (HST) and Jerusalem (IDT) set up a call, iDT is 13 hours ahead of HST.
| HST time | IDT time |
|---|---|
| 12:00 AM | 1:00 PM |
| 1:00 AM | 2:00 PM |
| 2:00 AM | 3:00 PM |
| 3:00 AM | 4:00 PM |
| 4:00 AM | 5:00 PM |
| 5:00 AM | 6:00 PM |
| 6:00 AM | 7:00 PM |
| 7:00 AM | 8:00 PM |
| 8:00 AM | 9:00 PM |
| 9:00 AM | 10:00 PM |
| 10:00 AM | 11:00 PM |
| 11:00 AM | 12:00 AM+1 day |
| 12:00 PM | 1:00 AM+1 day |
| 1:00 PM | 2:00 AM+1 day |
| 2:00 PM | 3:00 AM+1 day |
| 3:00 PM | 4:00 AM+1 day |
| 4:00 PM | 5:00 AM+1 day |
| 5:00 PM | 6:00 AM+1 day |
| 6:00 PM | 7:00 AM+1 day |
| 7:00 PM | 8:00 AM+1 day |
| 8:00 PM | 9:00 AM+1 day |
| 9:00 PM | 10:00 AM+1 day |
| 10:00 PM | 11:00 AM+1 day |
| 11:00 PM | 12:00 PM+1 day |
This chart uses the fixed HST and IDT offsets; the live converter above follows current daylight saving.
Convert HST to IDT Time Zone
A quick guide to HST → IDT: the time gap, the live clocks, scheduling tips, and how we keep it accurate.
How does the HST to IDT converter work?
It takes three quick steps:
- Click the HST field on the left and pick the time you want to convert.
- The matching IDT time updates on the right automatically — there’s no button to press.
- Need a different day? Click the date field and the result follows, rolling over if it crosses midnight.
How many hours apart are HST and IDT?
IDT is 13 hours ahead of HST. In everyday terms, once you know the time on one side you just add 13 hours to get the other — so a call between Honolulu and Jerusalem is always 13 hours apart.
What's the current time in IDT?
Right now the time in Israel Daylight Time (IDT) is Monday, June 29, 2026 · 8:53:57 PM. It ticks every second, so you’re always looking at the live IDT clock.
And what time is it in HST?
And in Hawaii Standard Time (HST), it’s currently Monday, June 29, 2026 · 7:53:57 AM. Compare the two and the 13 hours gap is easy to see.
When is a good time to schedule a HST to IDT meeting?
For example, a 9:00 AM HST meeting takes place at 10:00 PM IDT. The trick is to aim for a slot that lands inside normal working hours on both sides. Once you’ve found a time, hit Share on the converter to copy a link with the time built in — easy to send to a colleague. Juggling three or more zones? The meeting planner highlights the hours that overlap for everyone.
Does daylight saving time change the HST–IDT difference?
The labels HST and IDT are fixed offsets, so the result on this page is always exact. One side switches between standard and summer time while the other stays put, so the real-world gap can shift by an hour for part of the year. It's worth checking which label a region is actually using before you lock in a time.
How accurate is this HST to IDT conversion?
We don’t guess. HST and IDT times are worked out from the official IANA time zone database, the trusted standard that operating systems use worldwide. Because daylight-saving rules and regional offsets do change over time, we track those updates rather than relying on a fixed number — which is exactly where many converters slip up.
Convert HST to other time zones
- UTC Coordinated Universal Time
- GMT Greenwich Mean Time
- EST Eastern Standard Time
- EDT Eastern Daylight Time
- CST Central Standard Time
- CDT Central Daylight Time
- MST Mountain Standard Time
- MDT Mountain Daylight Time
- PST Pacific Standard Time
- PDT Pacific Daylight Time
- AKST Alaska Standard Time
- AKDT Alaska Daylight Time
- AST Atlantic Standard Time
- ADT Atlantic Daylight Time
- NST Newfoundland Standard Time
- NDT Newfoundland Daylight Time
- BRT Brasília Time
- ART Argentina Time
- WET Western European Time
- WEST Western European Summer Time
- CET Central European Time
- CEST Central European Summer Time
- EET Eastern European Time
- EEST Eastern European Summer Time
- BST British Summer Time
- IST Irish Standard Time
- MSK Moscow Standard Time
- TRT Turkey Time
- WAT West Africa Time
- CAT Central Africa Time
- EAT East Africa Time
- SAST South Africa Standard Time
- GST Gulf Standard Time
- IST Israel Standard Time
- IDT Israel Daylight Time
- IST India Standard Time
- PKT Pakistan Standard Time
- BDT Bangladesh Standard Time
- ICT Indochina Time
- WIB Western Indonesian Time
- WITA Central Indonesian Time
- WIT Eastern Indonesian Time
- CST China Standard Time
- HKT Hong Kong Time
- SGT Singapore Time
- PHT Philippine Time
- JST Japan Standard Time
- KST Korea Standard Time
- AWST Australian Western Standard Time
- ACST Australian Central Standard Time
- ACDT Australian Central Daylight Time
- AEST Australian Eastern Standard Time
- AEDT Australian Eastern Daylight Time
- NZST New Zealand Standard Time
- NZDT New Zealand Daylight Time
Convert to IDT from other time zones
- UTC Coordinated Universal Time
- GMT Greenwich Mean Time
- EST Eastern Standard Time
- EDT Eastern Daylight Time
- CST Central Standard Time
- CDT Central Daylight Time
- MST Mountain Standard Time
- MDT Mountain Daylight Time
- PST Pacific Standard Time
- PDT Pacific Daylight Time
- AKST Alaska Standard Time
- AKDT Alaska Daylight Time
- HST Hawaii Standard Time
- AST Atlantic Standard Time
- ADT Atlantic Daylight Time
- NST Newfoundland Standard Time
- NDT Newfoundland Daylight Time
- BRT Brasília Time
- ART Argentina Time
- WET Western European Time
- WEST Western European Summer Time
- CET Central European Time
- CEST Central European Summer Time
- EET Eastern European Time
- EEST Eastern European Summer Time
- BST British Summer Time
- IST Irish Standard Time
- MSK Moscow Standard Time
- TRT Turkey Time
- WAT West Africa Time
- CAT Central Africa Time
- EAT East Africa Time
- SAST South Africa Standard Time
- GST Gulf Standard Time
- IST Israel Standard Time
- IST India Standard Time
- PKT Pakistan Standard Time
- BDT Bangladesh Standard Time
- ICT Indochina Time
- WIB Western Indonesian Time
- WITA Central Indonesian Time
- WIT Eastern Indonesian Time
- CST China Standard Time
- HKT Hong Kong Time
- SGT Singapore Time
- PHT Philippine Time
- JST Japan Standard Time
- KST Korea Standard Time
- AWST Australian Western Standard Time
- ACST Australian Central Standard Time
- ACDT Australian Central Daylight Time
- AEST Australian Eastern Standard Time
- AEDT Australian Eastern Daylight Time
- NZST New Zealand Standard Time
- NZDT New Zealand Daylight Time
Frequently asked questions
How many hours ahead of HST is IDT?
IDT is 13 hours ahead of HST — a fixed 13 hours difference, since both are fixed-offset labels.
What time is it in IDT when it's 12:00 PM HST?
When it's 12:00 PM (noon) HST, it's 1:00 AM IDT the next day.
Do HST or IDT use daylight saving time?
Hawaii Standard Time (HST) is a fixed offset with no daylight saving; Israel Daylight Time (IDT) observes daylight saving, alternating with IST.
Why might the real-world HST–IDT difference change during the year?
The labels HST and IDT are fixed offsets, so this converter is always exact. But Israel Daylight Time's region switches between standard and summer time, so for part of the year you may actually want HST to IST. Always check which label a region is currently using before you schedule.