Prior to 2005, the specific dates for Israel Daylight-saving Time were never predictable, but instead were set each year by an act of the Knesset.   Since 2005, Israel Daylight-saving time has been predictable and calculated according to fixed rules.   Although the fixed rules were modified in 2012 and 2013, they have indeed been fixed since then.   The rules are summarized here.

The anticipated start and stop dates for Daylight Saving Time (IDT) for 2025 - 2029 are: