Technical Specifications & Standards
Official chronometric properties, ISO standards, and international database registry identifiers for Israel Daylight Time:
Daylight Saving Time (DST) Transitions
⬆️ Spring Forward (Clocks Advance)
Clocks advance 1 hour on the Friday before the last Sunday in March at 02:00
⬇️ Fall Back (Clocks Return)
Clocks return 1 hour on the last Sunday in October at 02:00
Observing Jurisdictions & Subdivisions
2 Sovereign NationsSovereign nations, administrative subdivisions, and regional territories officially operating under IDT:
Regional Subdivisions & Territory Details
Financial Markets & Trading Hours
The Tel Aviv Stock Exchange trades Sunday through Thursday, offering a bridge between Middle Eastern and European capital sessions.
Local Hours: 10:00 - 17:15 IDT
UTC Window: 07:00 - 14:15 UTC
Major Cities in IDT
Primary metropolitan centers and financial hubs observing this time zone:
Adoption History & Astronomical Facts
Year Established: 1948
Daylight saving in Israel was codified under the Time Determination Law of 1992 and amended in 2013 to establish a fixed 219-day summer schedule, harmonizing transition windows with European financial centers.
Israel operates its primary financial market from Sunday to Thursday, making Tel Aviv one of the few global equity bourses open on Sundays.
Frequently Asked Questions about IDT
What does IDT stand for?
IDT stands for Israel Daylight Time, which is three hours ahead of Coordinated Universal Time (UTC+3).
When does Israel switch to daylight saving time?
Clocks advance to IDT on the Friday preceding the last Sunday in March and return to Israel Standard Time (IST, UTC+2) on the last Sunday in October.
What is the standard time counterpart to IDT?
Israel Standard Time (IST, UTC+2) is the winter counterpart to IDT.