IDT — Israel Daylight Time
See what IDT means, where it is used in Israel, how it relates to IST, and how to convert it to other time zones.
Countries: Israel
How to Convert IDT to Other Time Zones
Open the IDT converter page: Go to https://www.xconvert.com/time-converter/idt-time-zone to load a visual comparison grid with Israel Daylight Time (IDT) already shown. This page is useful when you are scheduling a call with teams in Jerusalem, Tel Aviv, or Haifa, coordinating customer support coverage for Israel, or checking whether a same-day handoff works between Israel and offices in Europe, North America, or Asia.
Add comparison cities with “+ Add City”: Click “+ Add City” and search for cities such as London, New York, and Dubai to compare IDT against major business hubs. These are practical pairings because Israeli companies regularly coordinate with London for finance and legal work, New York for tech, venture capital, and media, and Dubai for regional trade, logistics, and aviation connections.
Drag across the grid to select a meeting window: Click “Select” if needed, then drag across the IDT row to highlight a time range in purple, such as 9:00 AM to 11:00 AM IDT. That selection shows immediately across the other rows, letting you confirm that 9:00–11:00 AM in Israel is 7:00–9:00 AM in London during British Summer Time, 2:00–4:00 AM in New York during Eastern Daylight Time, and 10:00 AM–12:00 PM in Dubai year-round—a useful reality check before you propose a product demo or weekly standup.
Export the selected time for your team: After selecting a range, use the export options for ICS download, Google Calendar, Gmail, Copy to clipboard, or Share link. This is especially helpful for distributed teams because an ICS file or Google Calendar link converts the meeting into each participant’s local time automatically, while Copy to clipboard and Share link are fast ways to send confirmed overlap windows to recruiters, clients, or remote engineering teams.
About Israel Daylight Time (IDT)
IDT stands for Israel Daylight Time, the daylight saving time observed in Israel during the warmer part of the year. Its exact offset is UTC+03:00, which means clocks in Israel are 3 hours ahead of Coordinated Universal Time while daylight saving time is in effect.
IDT is used across Israel, including major population centers such as Jerusalem, Tel Aviv, West Jerusalem, Haifa, and Ashdod. Israel has a population of roughly 9.8 million people, and its main economic activity is concentrated along the Mediterranean coastal plain and Jerusalem corridor, making IDT relevant for technology, cybersecurity, pharmaceuticals, finance, shipping, and government scheduling.
IDT is the summer-time counterpart of IST, which in this context means Israel Standard Time, not India Standard Time. Israel Standard Time (IST) is UTC+02:00, so IDT is exactly 1 hour ahead of Israel Standard Time; when Israel moves into daylight saving time, clocks advance from IST to IDT.
A practical comparison is that IDT is 1 hour ahead of Central European Summer Time in some naming contexts where local offsets differ seasonally, equal to UTC+03:00 zones such as EEST and MSK, and 7 hours ahead of New York when New York is on Eastern Daylight Time. For example, when it is 9:00 AM in Tel Aviv on IDT, it is 6:00 AM UTC, 7:00 AM in London during BST, and 2:00 AM in New York during EDT.
Several other abbreviations can also represent UTC+03:00 at different times or in different regions, including AST, C, EAT, EEST, FET, MSK, SYOT, and TRT. Even when the numeric offset matches, the regions, daylight saving rules, and legal definitions can differ, so using a city-based comparison like Jerusalem vs. Moscow vs. Nairobi is more reliable than relying on abbreviation alone.
IDT and Daylight Saving Time
Israel observes daylight saving time annually, switching from Israel Standard Time (IST, UTC+02:00) to Israel Daylight Time (IDT, UTC+03:00) in spring. During this shift, clocks move forward by 1 hour, which creates longer evening daylight and changes the overlap with Europe, North America, and Gulf business hours.
For 2026, Israel begins daylight saving time on Friday, March 27, 2026, when clocks move forward from 2:00 AM IST to 3:00 AM IDT. Israel ends daylight saving time on Sunday, October 25, 2026, when clocks move back from 2:00 AM IDT to 1:00 AM IST, returning the country to UTC+02:00.
These changes matter for real scheduling. During IDT, Israel is typically 1 hour ahead of Central Europe in summer alignment, the same as some Eastern Mediterranean summer zones, and 7 hours ahead of New York when both regions are on daylight time; after Israel returns to IST in late October, the gap with many international offices changes again, which can shift recurring call times if calendars were not created with time-zone support.
This is especially important for sectors with fixed market or service windows. Israeli tech firms working with U.S. East Coast investors, logistics teams coordinating through Ben Gurion Airport, and support teams serving European customers often need to re-check meeting overlaps around late March and late October because a call that worked at 4:00 PM Tel Aviv in one month may land an hour earlier or later abroad after a DST transition.
Frequently Asked Questions
What does IDT stand for?
IDT stands for Israel Daylight Time. It is the daylight saving time used in Israel during the part of the year when clocks are advanced by one hour from standard time, making the local offset UTC+03:00.
Is IDT the same as IST?
No. In the Israel context, IST means Israel Standard Time, which is UTC+02:00, while IDT means Israel Daylight Time, which is UTC+03:00. People sometimes confuse IST with India Standard Time, so it is important to check the city or country attached to the abbreviation before scheduling an international meeting.
Which cities use IDT?
IDT is used in Israel, including major cities such as Jerusalem, Tel Aviv, West Jerusalem, Haifa, and Ashdod. These cities are major centers for government, startups, port activity, healthcare, manufacturing, and international business, so IDT frequently appears in travel itineraries, remote team calendars, and cross-border project planning.
What is the UTC offset for IDT?
The UTC offset for IDT is UTC+03:00. That means when it is 12:00 PM UTC, it is 3:00 PM in Israel during the daylight saving period.
When does IDT change?
IDT changes when Israel enters or leaves daylight saving time. In 2026, Israel switches to IDT on March 27, 2026 and switches back to IST on October 25, 2026, so recurring meetings around those dates should be checked carefully if participants are in countries with different DST calendars.
Is IDT used all year in Israel?
No, IDT is only used during the daylight saving portion of the year. Outside that period, Israel uses Israel Standard Time (IST, UTC+02:00), so the country’s offset changes depending on the season.
How far ahead is IDT compared with UTC and London?
IDT is 3 hours ahead of UTC. Compared with London, the difference depends on the season: when London is on British Summer Time (BST, UTC+01:00), IDT is 2 hours ahead, so 9:00 AM in London is 11:00 AM in Israel; when London is on Greenwich Mean Time (GMT, UTC+00:00) and Israel remains on IDT, the gap is 3 hours.
Why is IDT important for business scheduling?
IDT matters because Israel has major activity in technology, cybersecurity, semiconductors, biotech, defense, and venture-backed startups, many of which work daily with Europe and North America. A small offset mistake can move a meeting outside normal work hours, especially when coordinating between Tel Aviv and New York, where the gap during IDT is often 7 hours, meaning an Israeli afternoon call can fall in the early U.S. morning.